71690787

素因数分解:

$3^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{3659}}^1$

素因数の和:3983

約数の個数: 24

約数和(自身を含む): 118759680

約数和(自身を除く): 47068893

約数列:

[1, 3, 7, 9, 21, 63, 311, 933, 2177, 2799, 3659, 6531, 10977, 19593, 25613, 32931, 76839, 230517, 1137949, 3413847, 7965643, 10241541, 23896929, 71690787]

約数ペア:

[(1, 71690787), (3, 23896929), (7, 10241541), (9, 7965643), (21, 3413847), (63, 1137949), (311, 230517), (933, 76839), (2177, 32931), (2799, 25613), (3659, 19593), (6531, 10977)]