71390997

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 108380160

約数和(自身を除く): 36989163

約数列:

[1, 3, 9, 27, 71, 167, 213, 223, 501, 639, 669, 1503, 1917, 2007, 4509, 6021, 11857, 15833, 35571, 37241, 47499, 106713, 111723, 142497, 320139, 335169, 427491, 1005507, 2644111, 7932333, 23796999, 71390997]

約数ペア:

[(1, 71390997), (3, 23796999), (9, 7932333), (27, 2644111), (71, 1005507), (167, 427491), (213, 335169), (223, 320139), (501, 142497), (639, 111723), (669, 106713), (1503, 47499), (1917, 37241), (2007, 35571), (4509, 15833), (6021, 11857)]