25277217

素因数分解:

$3^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{2161}}^1$

素因数の和:2728

約数の個数: 16

約数和(自身を含む): 38604672

約数和(自身を除く): 13327455

約数列:

[1, 3, 7, 21, 557, 1671, 2161, 3899, 6483, 11697, 15127, 45381, 1203677, 3611031, 8425739, 25277217]

約数ペア:

[(1, 25277217), (3, 8425739), (7, 3611031), (21, 1203677), (557, 45381), (1671, 15127), (2161, 11697), (3899, 6483)]