639459225

素因数分解:

$3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41189}}^1$

素因数の和:41231

約数の個数: 48

約数和(自身を含む): 1225814400

約数和(自身を除く): 586355175

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 135, 207, 225, 345, 575, 621, 675, 1035, 1725, 3105, 5175, 15525, 41189, 123567, 205945, 370701, 617835, 947347, 1029725, 1112103, 1853505, 2842041, 3089175, 4736735, 5560515, 8526123, 9267525, 14210205, 23683675, 25578369, 27802575, 42630615, 71051025, 127891845, 213153075, 639459225]

約数ペア:

[(1, 639459225), (3, 213153075), (5, 127891845), (9, 71051025), (15, 42630615), (23, 27802575), (25, 25578369), (27, 23683675), (45, 14210205), (69, 9267525), (75, 8526123), (115, 5560515), (135, 4736735), (207, 3089175), (225, 2842041), (345, 1853505), (575, 1112103), (621, 1029725), (675, 947347), (1035, 617835), (1725, 370701), (3105, 205945), (5175, 123567), (15525, 41189)]