28936467

素因数分解:

$3^3\times 7^1\times {\mathrm{283}}^1\times {\mathrm{541}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 49256960

約数和(自身を除く): 20320493

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 283, 541, 849, 1623, 1981, 2547, 3787, 4869, 5943, 7641, 11361, 14607, 17829, 34083, 53487, 102249, 153103, 459309, 1071721, 1377927, 3215163, 4133781, 9645489, 28936467]

約数ペア:

[(1, 28936467), (3, 9645489), (7, 4133781), (9, 3215163), (21, 1377927), (27, 1071721), (63, 459309), (189, 153103), (283, 102249), (541, 53487), (849, 34083), (1623, 17829), (1981, 14607), (2547, 11361), (3787, 7641), (4869, 5943)]