78518205

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{709}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 143544960

約数和(自身を除く): 65026755

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 107, 115, 207, 321, 345, 535, 709, 963, 1035, 1605, 2127, 2461, 3545, 4815, 6381, 7383, 10635, 12305, 16307, 22149, 31905, 36915, 48921, 75863, 81535, 110745, 146763, 227589, 244605, 379315, 682767, 733815, 1137945, 1744849, 3413835, 5234547, 8724245, 15703641, 26172735, 78518205]

約数ペア:

[(1, 78518205), (3, 26172735), (5, 15703641), (9, 8724245), (15, 5234547), (23, 3413835), (45, 1744849), (69, 1137945), (107, 733815), (115, 682767), (207, 379315), (321, 244605), (345, 227589), (535, 146763), (709, 110745), (963, 81535), (1035, 75863), (1605, 48921), (2127, 36915), (2461, 31905), (3545, 22149), (4815, 16307), (6381, 12305), (7383, 10635)]