28264815

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9103}}^1$

素因数の和:9140

約数の個数: 32

約数和(自身を含む): 52439040

約数和(自身を除く): 24174225

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 9103, 27309, 45515, 81927, 136545, 209369, 245781, 409635, 628107, 1046845, 1228905, 1884321, 3140535, 5652963, 9421605, 28264815]

約数ペア:

[(1, 28264815), (3, 9421605), (5, 5652963), (9, 3140535), (15, 1884321), (23, 1228905), (27, 1046845), (45, 628107), (69, 409635), (115, 245781), (135, 209369), (207, 136545), (345, 81927), (621, 45515), (1035, 27309), (3105, 9103)]