25978647

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1\times {\mathrm{421}}^1$

素因数の和:798

約数の個数: 16

約数和(自身を含む): 35353472

約数和(自身を除く): 9374825

約数列:

[1, 3, 67, 201, 307, 421, 921, 1263, 20569, 28207, 61707, 84621, 129247, 387741, 8659549, 25978647]

約数ペア:

[(1, 25978647), (3, 8659549), (67, 387741), (201, 129247), (307, 84621), (421, 61707), (921, 28207), (1263, 20569)]