31404867

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 47566848

約数和(自身を除く): 16161981

約数列:

[1, 3, 13, 23, 39, 69, 157, 223, 299, 471, 669, 897, 2041, 2899, 3611, 5129, 6123, 8697, 10833, 15387, 35011, 46943, 66677, 105033, 140829, 200031, 455143, 805253, 1365429, 2415759, 10468289, 31404867]

約数ペア:

[(1, 31404867), (3, 10468289), (13, 2415759), (23, 1365429), (39, 805253), (69, 455143), (157, 200031), (223, 140829), (299, 105033), (471, 66677), (669, 46943), (897, 35011), (2041, 15387), (2899, 10833), (3611, 8697), (5129, 6123)]