215087999

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2243}}^1$

素因数の和:2379

約数の個数: 24

約数和(自身を含む): 266048640

約数和(自身を除く): 50960641

約数列:

[1, 7, 19, 49, 103, 133, 721, 931, 1957, 2243, 5047, 13699, 15701, 42617, 95893, 109907, 231029, 298319, 1617203, 2088233, 4389551, 11320421, 30726857, 215087999]

約数ペア:

[(1, 215087999), (7, 30726857), (19, 11320421), (49, 4389551), (103, 2088233), (133, 1617203), (721, 298319), (931, 231029), (1957, 109907), (2243, 95893), (5047, 42617), (13699, 15701)]