20231991

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{57641}}^1$

素因数の和:57663

約数の個数: 16

約数和(自身を含む): 32279520

約数和(自身を除く): 12047529

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 57641, 172923, 518769, 749333, 1556307, 2247999, 6743997, 20231991]

約数ペア:

[(1, 20231991), (3, 6743997), (9, 2247999), (13, 1556307), (27, 749333), (39, 518769), (117, 172923), (351, 57641)]