247917423

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{241}}^1\times {\mathrm{2029}}^1$

素因数の和:2299

約数の個数: 24

約数和(自身を含む): 359602320

約数和(自身を除く): 111684897

約数列:

[1, 3, 13, 39, 169, 241, 507, 723, 2029, 3133, 6087, 9399, 26377, 40729, 79131, 122187, 342901, 488989, 1028703, 1466967, 6356857, 19070571, 82639141, 247917423]

約数ペア:

[(1, 247917423), (3, 82639141), (13, 19070571), (39, 6356857), (169, 1466967), (241, 1028703), (507, 488989), (723, 342901), (2029, 122187), (3133, 79131), (6087, 40729), (9399, 26377)]