31386927

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3181}}^1$

素因数の和:3231

約数の個数: 32

約数和(自身を含む): 51319296

約数和(自身を除く): 19932369

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 143, 253, 299, 429, 759, 897, 3181, 3289, 9543, 9867, 34991, 41353, 73163, 104973, 124059, 219489, 454883, 804793, 951119, 1364649, 2414379, 2853357, 10462309, 31386927]

約数ペア:

[(1, 31386927), (3, 10462309), (11, 2853357), (13, 2414379), (23, 1364649), (33, 951119), (39, 804793), (69, 454883), (143, 219489), (253, 124059), (299, 104973), (429, 73163), (759, 41353), (897, 34991), (3181, 9867), (3289, 9543)]