25687125

素因数分解:

$3^4\times 5^3\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 80

約数和(自身を含む): 49832640

約数和(自身を除く): 24145515

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 59, 75, 81, 125, 129, 135, 177, 215, 225, 295, 375, 387, 405, 531, 645, 675, 885, 1075, 1125, 1161, 1475, 1593, 1935, 2025, 2537, 2655, 3225, 3375, 3483, 4425, 4779, 5375, 5805, 7375, 7611, 7965, 9675, 10125, 12685, 13275, 16125, 17415, 22125, 22833, 23895, 29025, 38055, 39825, 48375, 63425, 66375, 68499, 87075, 114165, 119475, 145125, 190275, 199125, 205497, 317125, 342495, 435375, 570825, 597375, 951375, 1027485, 1712475, 2854125, 5137425, 8562375, 25687125]

約数ペア:

[(1, 25687125), (3, 8562375), (5, 5137425), (9, 2854125), (15, 1712475), (25, 1027485), (27, 951375), (43, 597375), (45, 570825), (59, 435375), (75, 342495), (81, 317125), (125, 205497), (129, 199125), (135, 190275), (177, 145125), (215, 119475), (225, 114165), (295, 87075), (375, 68499), (387, 66375), (405, 63425), (531, 48375), (645, 39825), (675, 38055), (885, 29025), (1075, 23895), (1125, 22833), (1161, 22125), (1475, 17415), (1593, 16125), (1935, 13275), (2025, 12685), (2537, 10125), (2655, 9675), (3225, 7965), (3375, 7611), (3483, 7375), (4425, 5805), (4779, 5375)]