2970981

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 4702880

約数和(自身を除く): 1731899

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 379, 603, 871, 1137, 2613, 3411, 4927, 7839, 14781, 25393, 44343, 76179, 228537, 330109, 990327, 2970981]

約数ペア:

[(1, 2970981), (3, 990327), (9, 330109), (13, 228537), (39, 76179), (67, 44343), (117, 25393), (201, 14781), (379, 7839), (603, 4927), (871, 3411), (1137, 2613)]