18602271

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:300

約数の個数: 32

約数和(自身を含む): 28615680

約数和(自身を除く): 10013409

約数列:

[1, 3, 9, 27, 47, 107, 137, 141, 321, 411, 423, 963, 1233, 1269, 2889, 3699, 5029, 6439, 14659, 15087, 19317, 43977, 45261, 57951, 131931, 135783, 173853, 395793, 688973, 2066919, 6200757, 18602271]

約数ペア:

[(1, 18602271), (3, 6200757), (9, 2066919), (27, 688973), (47, 395793), (107, 173853), (137, 135783), (141, 131931), (321, 57951), (411, 45261), (423, 43977), (963, 19317), (1233, 15087), (1269, 14659), (2889, 6439), (3699, 5029)]