40319541

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{641}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 60591960

約数和(自身を除く): 20272419

約数列:

[1, 3, 9, 29, 87, 241, 261, 641, 723, 1923, 2169, 5769, 6989, 18589, 20967, 55767, 62901, 154481, 167301, 463443, 1390329, 4479949, 13439847, 40319541]

約数ペア:

[(1, 40319541), (3, 13439847), (9, 4479949), (29, 1390329), (87, 463443), (241, 167301), (261, 154481), (641, 62901), (723, 55767), (1923, 20967), (2169, 18589), (5769, 6989)]