15231385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7559}}^1$

素因数の和:7608

約数の個数: 16

約数和(自身を含む): 20321280

約数和(自身を除く): 5089895

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 7559, 37795, 98267, 234329, 491335, 1171645, 3046277, 15231385]

約数ペア:

[(1, 15231385), (5, 3046277), (13, 1171645), (31, 491335), (65, 234329), (155, 98267), (403, 37795), (2015, 7559)]