1720125

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 3407040

約数和(自身を除く): 1686915

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 125, 139, 165, 225, 275, 375, 417, 495, 695, 825, 1125, 1251, 1375, 1529, 2085, 2475, 3475, 4125, 4587, 6255, 7645, 10425, 12375, 13761, 17375, 22935, 31275, 38225, 52125, 68805, 114675, 156375, 191125, 344025, 573375, 1720125]

約数ペア:

[(1, 1720125), (3, 573375), (5, 344025), (9, 191125), (11, 156375), (15, 114675), (25, 68805), (33, 52125), (45, 38225), (55, 31275), (75, 22935), (99, 17375), (125, 13761), (139, 12375), (165, 10425), (225, 7645), (275, 6255), (375, 4587), (417, 4125), (495, 3475), (695, 2475), (825, 2085), (1125, 1529), (1251, 1375)]