78390123

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{22901}}^1$

素因数の和:23074

約数の個数: 16

約数和(自身を含む): 120189696

約数和(自身を除く): 41799573

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 22901, 68703, 160307, 480921, 3732863, 11198589, 26130041, 78390123]

約数ペア:

[(1, 78390123), (3, 26130041), (7, 11198589), (21, 3732863), (163, 480921), (489, 160307), (1141, 68703), (3423, 22901)]