291230235

素因数分解:

$3^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1291}}^1$

素因数の和:1865

約数の個数: 40

約数和(自身を含む): 523399536

約数和(自身を除く): 232169301

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 557, 1291, 1671, 2785, 3873, 5013, 6455, 8355, 11619, 15039, 19365, 25065, 34857, 45117, 58095, 75195, 104571, 174285, 225585, 522855, 719087, 2157261, 3595435, 6471783, 10786305, 19415349, 32358915, 58246047, 97076745, 291230235]

約数ペア:

[(1, 291230235), (3, 97076745), (5, 58246047), (9, 32358915), (15, 19415349), (27, 10786305), (45, 6471783), (81, 3595435), (135, 2157261), (405, 719087), (557, 522855), (1291, 225585), (1671, 174285), (2785, 104571), (3873, 75195), (5013, 58095), (6455, 45117), (8355, 34857), (11619, 25065), (15039, 19365)]