90726489

素因数分解:

$3^2\times 7^2\times {\mathrm{419}}^1\times {\mathrm{491}}^1$

素因数の和:930

約数の個数: 36

約数和(自身を含む): 153120240

約数和(自身を除く): 62393751

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 419, 441, 491, 1257, 1473, 2933, 3437, 3771, 4419, 8799, 10311, 20531, 24059, 26397, 30933, 61593, 72177, 184779, 205729, 216531, 617187, 1440103, 1851561, 4320309, 10080721, 12960927, 30242163, 90726489]

約数ペア:

[(1, 90726489), (3, 30242163), (7, 12960927), (9, 10080721), (21, 4320309), (49, 1851561), (63, 1440103), (147, 617187), (419, 216531), (441, 205729), (491, 184779), (1257, 72177), (1473, 61593), (2933, 30933), (3437, 26397), (3771, 24059), (4419, 20531), (8799, 10311)]