7975125

素因数分解:

$3^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 15724800

約数和(自身を除く): 7749675

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 125, 135, 139, 153, 225, 255, 375, 417, 425, 459, 675, 695, 765, 1125, 1251, 1275, 2085, 2125, 2295, 2363, 3375, 3475, 3753, 3825, 6255, 6375, 7089, 10425, 11475, 11815, 17375, 18765, 19125, 21267, 31275, 35445, 52125, 57375, 59075, 63801, 93825, 106335, 156375, 177225, 295375, 319005, 469125, 531675, 886125, 1595025, 2658375, 7975125]

約数ペア:

[(1, 7975125), (3, 2658375), (5, 1595025), (9, 886125), (15, 531675), (17, 469125), (25, 319005), (27, 295375), (45, 177225), (51, 156375), (75, 106335), (85, 93825), (125, 63801), (135, 59075), (139, 57375), (153, 52125), (225, 35445), (255, 31275), (375, 21267), (417, 19125), (425, 18765), (459, 17375), (675, 11815), (695, 11475), (765, 10425), (1125, 7089), (1251, 6375), (1275, 6255), (2085, 3825), (2125, 3753), (2295, 3475), (2363, 3375)]