9721809

素因数分解:

$3^3\times {\mathrm{47}}^2\times {\mathrm{163}}^1$

素因数の和:266

約数の個数: 24

約数和(自身を含む): 14805920

約数和(自身を除く): 5084111

約数列:

[1, 3, 9, 27, 47, 141, 163, 423, 489, 1269, 1467, 2209, 4401, 6627, 7661, 19881, 22983, 59643, 68949, 206847, 360067, 1080201, 3240603, 9721809]

約数ペア:

[(1, 9721809), (3, 3240603), (9, 1080201), (27, 360067), (47, 206847), (141, 68949), (163, 59643), (423, 22983), (489, 19881), (1269, 7661), (1467, 6627), (2209, 4401)]