3991425

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2801}}^1$

素因数の和:2833

約数の個数: 24

約数和(自身を含む): 6948960

約数和(自身を除く): 2957535

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 2801, 8403, 14005, 42015, 53219, 70025, 159657, 210075, 266095, 798285, 1330475, 3991425]

約数ペア:

[(1, 3991425), (3, 1330475), (5, 798285), (15, 266095), (19, 210075), (25, 159657), (57, 70025), (75, 53219), (95, 42015), (285, 14005), (475, 8403), (1425, 2801)]