3947775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4049}}^1$

素因数の和:4075

約数の個数: 24

約数和(自身を含む): 7030800

約数和(自身を除く): 3083025

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 4049, 12147, 20245, 52637, 60735, 101225, 157911, 263185, 303675, 789555, 1315925, 3947775]

約数ペア:

[(1, 3947775), (3, 1315925), (5, 789555), (13, 303675), (15, 263185), (25, 157911), (39, 101225), (65, 60735), (75, 52637), (195, 20245), (325, 12147), (975, 4049)]