201831723

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{661}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 307591680

約数和(自身を除く): 105759957

約数列:

[1, 3, 9, 27, 43, 129, 263, 387, 661, 789, 1161, 1983, 2367, 5949, 7101, 11309, 17847, 28423, 33927, 85269, 101781, 173843, 255807, 305343, 521529, 767421, 1564587, 4693761, 7475249, 22425747, 67277241, 201831723]

約数ペア:

[(1, 201831723), (3, 67277241), (9, 22425747), (27, 7475249), (43, 4693761), (129, 1564587), (263, 767421), (387, 521529), (661, 305343), (789, 255807), (1161, 173843), (1983, 101781), (2367, 85269), (5949, 33927), (7101, 28423), (11309, 17847)]