70720983

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{21767}}^1$

素因数の和:21811

約数の個数: 18

約数和(自身を含む): 107816904

約数和(自身を除く): 37095921

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 21767, 65301, 195903, 413573, 1240719, 3722157, 7857887, 23573661, 70720983]

約数ペア:

[(1, 70720983), (3, 23573661), (9, 7857887), (19, 3722157), (57, 1240719), (171, 413573), (361, 195903), (1083, 65301), (3249, 21767)]