6821505

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 12911184

約数和(自身を除く): 6089679

約数列:

[1, 3, 5, 9, 15, 17, 37, 45, 51, 85, 111, 153, 185, 241, 255, 333, 555, 629, 723, 765, 1205, 1665, 1887, 2169, 3145, 3615, 4097, 5661, 8917, 9435, 10845, 12291, 20485, 26751, 28305, 36873, 44585, 61455, 80253, 133755, 151589, 184365, 401265, 454767, 757945, 1364301, 2273835, 6821505]

約数ペア:

[(1, 6821505), (3, 2273835), (5, 1364301), (9, 757945), (15, 454767), (17, 401265), (37, 184365), (45, 151589), (51, 133755), (85, 80253), (111, 61455), (153, 44585), (185, 36873), (241, 28305), (255, 26751), (333, 20485), (555, 12291), (629, 10845), (723, 9435), (765, 8917), (1205, 5661), (1665, 4097), (1887, 3615), (2169, 3145)]