81535293

素因数分解:

$3^2\times 7^1\times {\mathrm{577}}^1\times {\mathrm{2243}}^1$

素因数の和:2833

約数の個数: 24

約数和(自身を含む): 134891328

約数和(自身を除く): 53356035

約数列:

[1, 3, 7, 9, 21, 63, 577, 1731, 2243, 4039, 5193, 6729, 12117, 15701, 20187, 36351, 47103, 141309, 1294211, 3882633, 9059477, 11647899, 27178431, 81535293]

約数ペア:

[(1, 81535293), (3, 27178431), (7, 11647899), (9, 9059477), (21, 3882633), (63, 1294211), (577, 141309), (1731, 47103), (2243, 36351), (4039, 20187), (5193, 15701), (6729, 12117)]