31241943

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{6323}}^1$

素因数の和:6396

約数の個数: 20

約数和(自身を含む): 47442648

約数和(自身を除く): 16200705

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 6323, 18969, 56907, 170721, 385703, 512163, 1157109, 3471327, 10413981, 31241943]

約数ペア:

[(1, 31241943), (3, 10413981), (9, 3471327), (27, 1157109), (61, 512163), (81, 385703), (183, 170721), (549, 56907), (1647, 18969), (4941, 6323)]