28328175

素因数分解:

$3^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{919}}^1$

素因数の和:1072

約数の個数: 36

約数和(自身を含む): 51164880

約数和(自身を除く): 22836705

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 137, 225, 411, 685, 919, 1233, 2055, 2757, 3425, 4595, 6165, 8271, 10275, 13785, 22975, 30825, 41355, 68925, 125903, 206775, 377709, 629515, 1133127, 1888545, 3147575, 5665635, 9442725, 28328175]

約数ペア:

[(1, 28328175), (3, 9442725), (5, 5665635), (9, 3147575), (15, 1888545), (25, 1133127), (45, 629515), (75, 377709), (137, 206775), (225, 125903), (411, 68925), (685, 41355), (919, 30825), (1233, 22975), (2055, 13785), (2757, 10275), (3425, 8271), (4595, 6165)]