331377507

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{523}}^1\times {\mathrm{757}}^1$

素因数の和:1320

約数の個数: 32

約数和(自身を含む): 508405760

約数和(自身を除く): 177028253

約数列:

[1, 3, 9, 27, 31, 93, 279, 523, 757, 837, 1569, 2271, 4707, 6813, 14121, 16213, 20439, 23467, 48639, 70401, 145917, 211203, 395911, 437751, 633609, 1187733, 3563199, 10689597, 12273241, 36819723, 110459169, 331377507]

約数ペア:

[(1, 331377507), (3, 110459169), (9, 36819723), (27, 12273241), (31, 10689597), (93, 3563199), (279, 1187733), (523, 633609), (757, 437751), (837, 395911), (1569, 211203), (2271, 145917), (4707, 70401), (6813, 48639), (14121, 23467), (16213, 20439)]