66859965

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 126420480

約数和(自身を除く): 59560515

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 61, 69, 115, 135, 183, 207, 305, 345, 353, 549, 621, 915, 1035, 1059, 1403, 1647, 1765, 2745, 3105, 3177, 4209, 5295, 7015, 8119, 8235, 9531, 12627, 15885, 21045, 21533, 24357, 37881, 40595, 47655, 63135, 64599, 73071, 107665, 121785, 189405, 193797, 219213, 322995, 365355, 495259, 581391, 968985, 1096065, 1485777, 2476295, 2906955, 4457331, 7428885, 13371993, 22286655, 66859965]

約数ペア:

[(1, 66859965), (3, 22286655), (5, 13371993), (9, 7428885), (15, 4457331), (23, 2906955), (27, 2476295), (45, 1485777), (61, 1096065), (69, 968985), (115, 581391), (135, 495259), (183, 365355), (207, 322995), (305, 219213), (345, 193797), (353, 189405), (549, 121785), (621, 107665), (915, 73071), (1035, 64599), (1059, 63135), (1403, 47655), (1647, 40595), (1765, 37881), (2745, 24357), (3105, 21533), (3177, 21045), (4209, 15885), (5295, 12627), (7015, 9531), (8119, 8235)]