56991843

素因数分解:

$3^4\times {\mathrm{491}}^1\times {\mathrm{1433}}^1$

素因数の和:1936

約数の個数: 20

約数和(自身を含む): 85368888

約数和(自身を除く): 28377045

約数列:

[1, 3, 9, 27, 81, 491, 1433, 1473, 4299, 4419, 12897, 13257, 38691, 39771, 116073, 703603, 2110809, 6332427, 18997281, 56991843]

約数ペア:

[(1, 56991843), (3, 18997281), (9, 6332427), (27, 2110809), (81, 703603), (491, 116073), (1433, 39771), (1473, 38691), (4299, 13257), (4419, 12897)]