215048925

素因数分解:

$3^5\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:434

約数の個数: 144

約数和(自身を含む): 492885120

約数和(自身を除く): 277836195

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 27, 35, 39, 45, 63, 65, 75, 81, 91, 105, 117, 135, 175, 189, 195, 225, 243, 273, 315, 325, 351, 389, 405, 455, 525, 567, 585, 675, 819, 945, 975, 1053, 1167, 1215, 1365, 1575, 1701, 1755, 1945, 2025, 2275, 2457, 2723, 2835, 2925, 3159, 3501, 4095, 4725, 5057, 5265, 5835, 6075, 6825, 7371, 8169, 8505, 8775, 9725, 10503, 12285, 13615, 14175, 15171, 15795, 17505, 20475, 22113, 24507, 25285, 26325, 29175, 31509, 35399, 36855, 40845, 42525, 45513, 52515, 61425, 68075, 73521, 75855, 78975, 87525, 94527, 106197, 110565, 122535, 126425, 136539, 157545, 176995, 184275, 204225, 220563, 227565, 262575, 318591, 367605, 379275, 409617, 472635, 530985, 552825, 612675, 661689, 682695, 787725, 884975, 955773, 1102815, 1137825, 1228851, 1592955, 1838025, 2048085, 2363175, 2654925, 2867319, 3308445, 3413475, 4778865, 5514075, 6144255, 7964775, 8601957, 10240425, 14336595, 16542225, 23894325, 30721275, 43009785, 71682975, 215048925]

約数ペア:

[(1, 215048925), (3, 71682975), (5, 43009785), (7, 30721275), (9, 23894325), (13, 16542225), (15, 14336595), (21, 10240425), (25, 8601957), (27, 7964775), (35, 6144255), (39, 5514075), (45, 4778865), (63, 3413475), (65, 3308445), (75, 2867319), (81, 2654925), (91, 2363175), (105, 2048085), (117, 1838025), (135, 1592955), (175, 1228851), (189, 1137825), (195, 1102815), (225, 955773), (243, 884975), (273, 787725), (315, 682695), (325, 661689), (351, 612675), (389, 552825), (405, 530985), (455, 472635), (525, 409617), (567, 379275), (585, 367605), (675, 318591), (819, 262575), (945, 227565), (975, 220563), (1053, 204225), (1167, 184275), (1215, 176995), (1365, 157545), (1575, 136539), (1701, 126425), (1755, 122535), (1945, 110565), (2025, 106197), (2275, 94527), (2457, 87525), (2723, 78975), (2835, 75855), (2925, 73521), (3159, 68075), (3501, 61425), (4095, 52515), (4725, 45513), (5057, 42525), (5265, 40845), (5835, 36855), (6075, 35399), (6825, 31509), (7371, 29175), (8169, 26325), (8505, 25285), (8775, 24507), (9725, 22113), (10503, 20475), (12285, 17505), (13615, 15795), (14175, 15171)]