12904125

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2647}}^1$

素因数の和:2678

約数の個数: 32

約数和(自身を含む): 23132928

約数和(自身を除く): 10228803

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 2647, 4875, 7941, 13235, 34411, 39705, 66175, 103233, 172055, 198525, 330875, 516165, 860275, 992625, 2580825, 4301375, 12904125]

約数ペア:

[(1, 12904125), (3, 4301375), (5, 2580825), (13, 992625), (15, 860275), (25, 516165), (39, 330875), (65, 198525), (75, 172055), (125, 103233), (195, 66175), (325, 39705), (375, 34411), (975, 13235), (1625, 7941), (2647, 4875)]