65520009

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:343

約数の個数: 40

約数和(自身を含む): 101741640

約数和(自身を除く): 36221631

約数列:

[1, 3, 9, 27, 41, 81, 109, 123, 181, 327, 369, 543, 981, 1107, 1629, 2943, 3321, 4469, 4887, 7421, 8829, 13407, 14661, 19729, 22263, 40221, 59187, 66789, 120663, 177561, 200367, 361989, 532683, 601101, 808889, 1598049, 2426667, 7280001, 21840003, 65520009]

約数ペア:

[(1, 65520009), (3, 21840003), (9, 7280001), (27, 2426667), (41, 1598049), (81, 808889), (109, 601101), (123, 532683), (181, 361989), (327, 200367), (369, 177561), (543, 120663), (981, 66789), (1107, 59187), (1629, 40221), (2943, 22263), (3321, 19729), (4469, 14661), (4887, 13407), (7421, 8829)]