1387125

素因数分解:

$3^4\times 5^3\times {\mathrm{137}}^1$

素因数の和:164

約数の個数: 40

約数和(自身を含む): 2604888

約数和(自身を除く): 1217763

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 137, 225, 375, 405, 411, 675, 685, 1125, 1233, 2025, 2055, 3375, 3425, 3699, 6165, 10125, 10275, 11097, 17125, 18495, 30825, 51375, 55485, 92475, 154125, 277425, 462375, 1387125]

約数ペア:

[(1, 1387125), (3, 462375), (5, 277425), (9, 154125), (15, 92475), (25, 55485), (27, 51375), (45, 30825), (75, 18495), (81, 17125), (125, 11097), (135, 10275), (137, 10125), (225, 6165), (375, 3699), (405, 3425), (411, 3375), (675, 2055), (685, 2025), (1125, 1233)]