157777425

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 341228160

約数和(自身を除く): 183450735

約数列:

[1, 3, 5, 9, 13, 15, 17, 19, 25, 39, 45, 51, 57, 65, 75, 85, 95, 117, 153, 167, 171, 195, 221, 225, 247, 255, 285, 323, 325, 425, 475, 501, 585, 663, 741, 765, 835, 855, 969, 975, 1105, 1235, 1275, 1425, 1503, 1615, 1989, 2171, 2223, 2505, 2839, 2907, 2925, 3173, 3315, 3705, 3825, 4175, 4199, 4275, 4845, 5525, 6175, 6513, 7515, 8075, 8517, 9519, 9945, 10855, 11115, 12525, 12597, 14195, 14535, 15865, 16575, 18525, 19539, 20995, 24225, 25551, 28557, 32565, 36907, 37575, 37791, 41249, 42585, 47595, 49725, 53941, 54275, 55575, 62985, 70975, 72675, 79325, 97695, 104975, 110721, 123747, 127755, 142785, 161823, 162825, 184535, 188955, 206245, 212925, 237975, 269705, 314925, 332163, 371241, 485469, 488475, 553605, 618735, 638775, 701233, 713925, 809115, 922675, 944775, 1031225, 1348525, 1660815, 1856205, 2103699, 2427345, 2768025, 3093675, 3506165, 4045575, 6311097, 8304075, 9281025, 10518495, 12136725, 17530825, 31555485, 52592475, 157777425]

約数ペア:

[(1, 157777425), (3, 52592475), (5, 31555485), (9, 17530825), (13, 12136725), (15, 10518495), (17, 9281025), (19, 8304075), (25, 6311097), (39, 4045575), (45, 3506165), (51, 3093675), (57, 2768025), (65, 2427345), (75, 2103699), (85, 1856205), (95, 1660815), (117, 1348525), (153, 1031225), (167, 944775), (171, 922675), (195, 809115), (221, 713925), (225, 701233), (247, 638775), (255, 618735), (285, 553605), (323, 488475), (325, 485469), (425, 371241), (475, 332163), (501, 314925), (585, 269705), (663, 237975), (741, 212925), (765, 206245), (835, 188955), (855, 184535), (969, 162825), (975, 161823), (1105, 142785), (1235, 127755), (1275, 123747), (1425, 110721), (1503, 104975), (1615, 97695), (1989, 79325), (2171, 72675), (2223, 70975), (2505, 62985), (2839, 55575), (2907, 54275), (2925, 53941), (3173, 49725), (3315, 47595), (3705, 42585), (3825, 41249), (4175, 37791), (4199, 37575), (4275, 36907), (4845, 32565), (5525, 28557), (6175, 25551), (6513, 24225), (7515, 20995), (8075, 19539), (8517, 18525), (9519, 16575), (9945, 15865), (10855, 14535), (11115, 14195), (12525, 12597)]