18288123

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2647}}^1$

素因数の和:2711

約数の個数: 24

約数和(自身を含む): 28979712

約数和(自身を除く): 10691589

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 2647, 6909, 7941, 18529, 55587, 124409, 129703, 373227, 389109, 870863, 2612589, 6096041, 18288123]

約数ペア:

[(1, 18288123), (3, 6096041), (7, 2612589), (21, 870863), (47, 389109), (49, 373227), (141, 129703), (147, 124409), (329, 55587), (987, 18529), (2303, 7941), (2647, 6909)]