189576009

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{18461}}^1$

素因数の和:18637

約数の個数: 24

約数和(自身を含む): 314887872

約数和(自身を除く): 125311863

約数列:

[1, 3, 7, 9, 21, 63, 163, 489, 1141, 1467, 3423, 10269, 18461, 55383, 129227, 166149, 387681, 1163043, 3009143, 9027429, 21064001, 27082287, 63192003, 189576009]

約数ペア:

[(1, 189576009), (3, 63192003), (7, 27082287), (9, 21064001), (21, 9027429), (63, 3009143), (163, 1163043), (489, 387681), (1141, 166149), (1467, 129227), (3423, 55383), (10269, 18461)]