78490725

素因数分解:

$3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{7639}}^1$

素因数の和:7789

約数の個数: 24

約数和(自身を含む): 130735680

約数和(自身を除く): 52244955

約数列:

[1, 3, 5, 15, 25, 75, 137, 411, 685, 2055, 3425, 7639, 10275, 22917, 38195, 114585, 190975, 572925, 1046543, 3139629, 5232715, 15698145, 26163575, 78490725]

約数ペア:

[(1, 78490725), (3, 26163575), (5, 15698145), (15, 5232715), (25, 3139629), (75, 1046543), (137, 572925), (411, 190975), (685, 114585), (2055, 38195), (3425, 22917), (7639, 10275)]