201619151991

素因数分解:

$3^2\times {\mathrm{1181}}^1\times {\mathrm{18968779}}^1$

素因数の和:18969966

約数の個数: 12

約数和(自身を含む): 291474273480

約数和(自身を除く): 89855121489

約数列:

[1, 3, 9, 1181, 3543, 10629, 18968779, 56906337, 170719011, 22402127999, 67206383997, 201619151991]

約数ペア:

[(1, 201619151991), (3, 67206383997), (9, 22402127999), (1181, 170719011), (3543, 56906337), (10629, 18968779)]