12971775

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{9103}}^1$

素因数の和:9135

約数の個数: 24

約数和(自身を含む): 22577920

約数和(自身を除く): 9606145

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 9103, 27309, 45515, 136545, 172957, 227575, 518871, 682725, 864785, 2594355, 4323925, 12971775]

約数ペア:

[(1, 12971775), (3, 4323925), (5, 2594355), (15, 864785), (19, 682725), (25, 518871), (57, 227575), (75, 172957), (95, 136545), (285, 45515), (475, 27309), (1425, 9103)]