1661569221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{101681}}^1$

素因数の和:102116

約数の個数: 16

約数和(自身を含む): 2391560640

約数和(自身を除く): 729991419

約数列:

[1, 3, 13, 39, 419, 1257, 5447, 16341, 101681, 305043, 1321853, 3965559, 42604339, 127813017, 553856407, 1661569221]

約数ペア:

[(1, 1661569221), (3, 553856407), (13, 127813017), (39, 42604339), (419, 3965559), (1257, 1321853), (5447, 305043), (16341, 101681)]