31678245

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 57987072

約数和(自身を除く): 26308827

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 127, 207, 241, 345, 381, 635, 723, 1035, 1143, 1205, 1905, 2169, 2921, 3615, 5543, 5715, 8763, 10845, 14605, 16629, 26289, 27715, 30607, 43815, 49887, 83145, 91821, 131445, 153035, 249435, 275463, 459105, 703961, 1377315, 2111883, 3519805, 6335649, 10559415, 31678245]

約数ペア:

[(1, 31678245), (3, 10559415), (5, 6335649), (9, 3519805), (15, 2111883), (23, 1377315), (45, 703961), (69, 459105), (115, 275463), (127, 249435), (207, 153035), (241, 131445), (345, 91821), (381, 83145), (635, 49887), (723, 43815), (1035, 30607), (1143, 27715), (1205, 26289), (1905, 16629), (2169, 14605), (2921, 10845), (3615, 8763), (5543, 5715)]