663641721

素因数分解:

$3^3\times {\mathrm{1907}}^1\times {\mathrm{12889}}^1$

素因数の和:14805

約数の個数: 16

約数和(自身を含む): 983764800

約数和(自身を除く): 320123079

約数列:

[1, 3, 9, 27, 1907, 5721, 12889, 17163, 38667, 51489, 116001, 348003, 24579323, 73737969, 221213907, 663641721]

約数ペア:

[(1, 663641721), (3, 221213907), (9, 73737969), (27, 24579323), (1907, 348003), (5721, 116001), (12889, 51489), (17163, 38667)]