42640311

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{12457}}^1$

素因数の和:12630

約数の個数: 16

約数和(自身を含む): 65379584

約数和(自身を除く): 22739273

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 12457, 37371, 87199, 261597, 2030491, 6091473, 14213437, 42640311]

約数ペア:

[(1, 42640311), (3, 14213437), (7, 6091473), (21, 2030491), (163, 261597), (489, 87199), (1141, 37371), (3423, 12457)]