31663791

素因数分解:

$3^4\times {\mathrm{331}}^1\times {\mathrm{1181}}^1$

素因数の和:1524

約数の個数: 20

約数和(自身を含む): 47483304

約数和(自身を除く): 15819513

約数列:

[1, 3, 9, 27, 81, 331, 993, 1181, 2979, 3543, 8937, 10629, 26811, 31887, 95661, 390911, 1172733, 3518199, 10554597, 31663791]

約数ペア:

[(1, 31663791), (3, 10554597), (9, 3518199), (27, 1172733), (81, 390911), (331, 95661), (993, 31887), (1181, 26811), (2979, 10629), (3543, 8937)]