87989307

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{21937}}^1$

素因数の和:22138

約数の個数: 16

約数和(自身を含む): 134787072

約数和(自身を除く): 46797765

約数列:

[1, 3, 7, 21, 191, 573, 1337, 4011, 21937, 65811, 153559, 460677, 4189967, 12569901, 29329769, 87989307]

約数ペア:

[(1, 87989307), (3, 29329769), (7, 12569901), (21, 4189967), (191, 460677), (573, 153559), (1337, 65811), (4011, 21937)]