28442421

素因数分解:

$3^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{727}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 50878464

約数和(自身を除く): 22436043

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 243, 483, 567, 621, 727, 1449, 1701, 1863, 2181, 4347, 5089, 5589, 6543, 13041, 15267, 16721, 19629, 39123, 45801, 50163, 58887, 117047, 137403, 150489, 176661, 351141, 412209, 451467, 1053423, 1236627, 1354401, 3160269, 4063203, 9480807, 28442421]

約数ペア:

[(1, 28442421), (3, 9480807), (7, 4063203), (9, 3160269), (21, 1354401), (23, 1236627), (27, 1053423), (63, 451467), (69, 412209), (81, 351141), (161, 176661), (189, 150489), (207, 137403), (243, 117047), (483, 58887), (567, 50163), (621, 45801), (727, 39123), (1449, 19629), (1701, 16721), (1863, 15267), (2181, 13041), (4347, 6543), (5089, 5589)]