1672731

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:312

約数の個数: 20

約数和(自身を含む): 2535192

約数和(自身を除く): 862461

約数列:

[1, 3, 9, 27, 81, 107, 193, 321, 579, 963, 1737, 2889, 5211, 8667, 15633, 20651, 61953, 185859, 557577, 1672731]

約数ペア:

[(1, 1672731), (3, 557577), (9, 185859), (27, 61953), (81, 20651), (107, 15633), (193, 8667), (321, 5211), (579, 2889), (963, 1737)]