90800577

素因数分解:

$3^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1999}}^1$

素因数の和:2122

約数の個数: 36

約数和(自身を含む): 154128000

約数和(自身を除く): 63327423

約数列:

[1, 3, 7, 9, 21, 49, 63, 103, 147, 309, 441, 721, 927, 1999, 2163, 5047, 5997, 6489, 13993, 15141, 17991, 41979, 45423, 97951, 125937, 205897, 293853, 617691, 881559, 1441279, 1853073, 4323837, 10088953, 12971511, 30266859, 90800577]

約数ペア:

[(1, 90800577), (3, 30266859), (7, 12971511), (9, 10088953), (21, 4323837), (49, 1853073), (63, 1441279), (103, 881559), (147, 617691), (309, 293853), (441, 205897), (721, 125937), (927, 97951), (1999, 45423), (2163, 41979), (5047, 17991), (5997, 15141), (6489, 13993)]