81867465

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{953}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 150014592

約数和(自身を除く): 68147127

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 83, 115, 207, 249, 345, 415, 747, 953, 1035, 1245, 1909, 2859, 3735, 4765, 5727, 8577, 9545, 14295, 17181, 21919, 28635, 42885, 65757, 79099, 85905, 109595, 197271, 237297, 328785, 395495, 711891, 986355, 1186485, 1819277, 3559455, 5457831, 9096385, 16373493, 27289155, 81867465]

約数ペア:

[(1, 81867465), (3, 27289155), (5, 16373493), (9, 9096385), (15, 5457831), (23, 3559455), (45, 1819277), (69, 1186485), (83, 986355), (115, 711891), (207, 395495), (249, 328785), (345, 237297), (415, 197271), (747, 109595), (953, 85905), (1035, 79099), (1245, 65757), (1909, 42885), (2859, 28635), (3735, 21919), (4765, 17181), (5727, 14295), (8577, 9545)]