256431693

素因数分解:

$3^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{28201}}^1$

素因数の和:28644

約数の個数: 16

約数和(自身を含む): 391669376

約数和(自身を除く): 135237683

約数列:

[1, 3, 7, 21, 433, 1299, 3031, 9093, 28201, 84603, 197407, 592221, 12211033, 36633099, 85477231, 256431693]

約数ペア:

[(1, 256431693), (3, 85477231), (7, 36633099), (21, 12211033), (433, 592221), (1299, 197407), (3031, 84603), (9093, 28201)]