54218889

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 86486400

約数和(自身を除く): 32267511

約数列:

[1, 3, 9, 23, 27, 69, 81, 89, 109, 207, 243, 267, 327, 621, 801, 981, 1863, 2047, 2403, 2507, 2943, 5589, 6141, 7209, 7521, 8829, 9701, 18423, 21627, 22563, 26487, 29103, 55269, 67689, 87309, 165807, 203067, 223123, 261927, 497421, 609201, 669369, 785781, 2008107, 2357343, 6024321, 18072963, 54218889]

約数ペア:

[(1, 54218889), (3, 18072963), (9, 6024321), (23, 2357343), (27, 2008107), (69, 785781), (81, 669369), (89, 609201), (109, 497421), (207, 261927), (243, 223123), (267, 203067), (327, 165807), (621, 87309), (801, 67689), (981, 55269), (1863, 29103), (2047, 26487), (2403, 22563), (2507, 21627), (2943, 18423), (5589, 9701), (6141, 8829), (7209, 7521)]