28924749

素因数分解:

$3^3\times 7^2\times {\mathrm{21863}}^1$

素因数の和:21886

約数の個数: 24

約数和(自身を含む): 49849920

約数和(自身を除く): 20925171

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 21863, 65589, 153041, 196767, 459123, 590301, 1071287, 1377369, 3213861, 4132107, 9641583, 28924749]

約数ペア:

[(1, 28924749), (3, 9641583), (7, 4132107), (9, 3213861), (21, 1377369), (27, 1071287), (49, 590301), (63, 459123), (147, 196767), (189, 153041), (441, 65589), (1323, 21863)]