31061079

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3547}}^1$

素因数の和:3699

約数の個数: 24

約数和(自身を含む): 51658880

約数和(自身を除く): 20597801

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2919, 3547, 8757, 10641, 24829, 31923, 74487, 223461, 493033, 1479099, 3451231, 4437297, 10353693, 31061079]

約数ペア:

[(1, 31061079), (3, 10353693), (7, 4437297), (9, 3451231), (21, 1479099), (63, 493033), (139, 223461), (417, 74487), (973, 31923), (1251, 24829), (2919, 10641), (3547, 8757)]