28795509

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2011}}^1$

素因数の和:2097

約数の個数: 24

約数和(自身を含む): 43732832

約数和(自身を除く): 14937323

約数列:

[1, 3, 9, 37, 43, 111, 129, 333, 387, 1591, 2011, 4773, 6033, 14319, 18099, 74407, 86473, 223221, 259419, 669663, 778257, 3199501, 9598503, 28795509]

約数ペア:

[(1, 28795509), (3, 9598503), (9, 3199501), (37, 778257), (43, 669663), (111, 259419), (129, 223221), (333, 86473), (387, 74407), (1591, 18099), (2011, 14319), (4773, 6033)]