2979407925

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:780

約数の個数: 144

約数和(自身を含む): 6095526528

約数和(自身を除く): 3116118603

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 39, 45, 65, 67, 69, 75, 115, 117, 195, 201, 207, 225, 299, 325, 335, 345, 575, 585, 603, 661, 871, 897, 975, 1005, 1035, 1495, 1541, 1675, 1725, 1983, 2613, 2691, 2925, 3015, 3305, 4355, 4485, 4623, 5025, 5175, 5949, 7475, 7705, 7839, 8593, 9915, 13065, 13455, 13869, 15075, 15203, 16525, 20033, 21775, 22425, 23115, 25779, 29745, 38525, 39195, 42965, 44287, 45609, 49575, 60099, 65325, 67275, 69345, 76015, 77337, 100165, 115575, 128895, 132861, 136827, 148725, 180297, 195975, 197639, 214825, 221435, 228045, 300495, 346725, 380075, 386685, 398583, 500825, 575731, 592917, 644475, 664305, 684135, 901485, 988195, 1018601, 1107175, 1140225, 1502475, 1727193, 1778751, 1933425, 1992915, 2878655, 2964585, 3055803, 3321525, 3420675, 4507425, 4940975, 5093005, 5181579, 8635965, 8893755, 9167409, 9964575, 13241813, 14393275, 14822925, 15279015, 25465025, 25907895, 39725439, 43179825, 44468775, 45837045, 66209065, 76395075, 119176317, 129539475, 198627195, 229185225, 331045325, 595881585, 993135975, 2979407925]

約数ペア:

[(1, 2979407925), (3, 993135975), (5, 595881585), (9, 331045325), (13, 229185225), (15, 198627195), (23, 129539475), (25, 119176317), (39, 76395075), (45, 66209065), (65, 45837045), (67, 44468775), (69, 43179825), (75, 39725439), (115, 25907895), (117, 25465025), (195, 15279015), (201, 14822925), (207, 14393275), (225, 13241813), (299, 9964575), (325, 9167409), (335, 8893755), (345, 8635965), (575, 5181579), (585, 5093005), (603, 4940975), (661, 4507425), (871, 3420675), (897, 3321525), (975, 3055803), (1005, 2964585), (1035, 2878655), (1495, 1992915), (1541, 1933425), (1675, 1778751), (1725, 1727193), (1983, 1502475), (2613, 1140225), (2691, 1107175), (2925, 1018601), (3015, 988195), (3305, 901485), (4355, 684135), (4485, 664305), (4623, 644475), (5025, 592917), (5175, 575731), (5949, 500825), (7475, 398583), (7705, 386685), (7839, 380075), (8593, 346725), (9915, 300495), (13065, 228045), (13455, 221435), (13869, 214825), (15075, 197639), (15203, 195975), (16525, 180297), (20033, 148725), (21775, 136827), (22425, 132861), (23115, 128895), (25779, 115575), (29745, 100165), (38525, 77337), (39195, 76015), (42965, 69345), (44287, 67275), (45609, 65325), (49575, 60099)]