25705911

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{433}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 42997248

約数和(自身を除く): 17291337

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 257, 433, 771, 1299, 1799, 2827, 3031, 4763, 5397, 8481, 9093, 14289, 19789, 33341, 59367, 100023, 111281, 333843, 778967, 1224091, 2336901, 3672273, 8568637, 25705911]

約数ペア:

[(1, 25705911), (3, 8568637), (7, 3672273), (11, 2336901), (21, 1224091), (33, 778967), (77, 333843), (231, 111281), (257, 100023), (433, 59367), (771, 33341), (1299, 19789), (1799, 14289), (2827, 9093), (3031, 8481), (4763, 5397)]