18072963

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:233

約数の個数: 40

約数和(自身を含む): 28749600

約数和(自身を除く): 10676637

約数列:

[1, 3, 9, 23, 27, 69, 81, 89, 109, 207, 267, 327, 621, 801, 981, 1863, 2047, 2403, 2507, 2943, 6141, 7209, 7521, 8829, 9701, 18423, 22563, 29103, 55269, 67689, 87309, 165807, 203067, 223123, 261927, 669369, 785781, 2008107, 6024321, 18072963]

約数ペア:

[(1, 18072963), (3, 6024321), (9, 2008107), (23, 785781), (27, 669369), (69, 261927), (81, 223123), (89, 203067), (109, 165807), (207, 87309), (267, 67689), (327, 55269), (621, 29103), (801, 22563), (981, 18423), (1863, 9701), (2047, 8829), (2403, 7521), (2507, 7209), (2943, 6141)]