31154489

素因数分解:

${\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 35661120

約数和(自身を除く): 4506631

約数列:

[1, 17, 23, 43, 109, 289, 391, 731, 989, 1853, 2507, 4687, 6647, 12427, 16813, 31501, 42619, 79679, 107801, 285821, 724523, 1354543, 1832617, 31154489]

約数ペア:

[(1, 31154489), (17, 1832617), (23, 1354543), (43, 724523), (109, 285821), (289, 107801), (391, 79679), (731, 42619), (989, 31501), (1853, 16813), (2507, 12427), (4687, 6647)]