31402971

素因数分解:

$3^4\times {\mathrm{317}}^1\times {\mathrm{1223}}^1$

素因数の和:1552

約数の個数: 20

約数和(自身を含む): 47097072

約数和(自身を除く): 15694101

約数列:

[1, 3, 9, 27, 81, 317, 951, 1223, 2853, 3669, 8559, 11007, 25677, 33021, 99063, 387691, 1163073, 3489219, 10467657, 31402971]

約数ペア:

[(1, 31402971), (3, 10467657), (9, 3489219), (27, 1163073), (81, 387691), (317, 99063), (951, 33021), (1223, 25677), (2853, 11007), (3669, 8559)]