71821809

素因数分解:

$3^6\times {\mathrm{83}}^1\times {\mathrm{1187}}^1$

素因数の和:1288

約数の個数: 28

約数和(自身を含む): 109072656

約数和(自身を除く): 37250847

約数列:

[1, 3, 9, 27, 81, 83, 243, 249, 729, 747, 1187, 2241, 3561, 6723, 10683, 20169, 32049, 60507, 96147, 98521, 288441, 295563, 865323, 886689, 2660067, 7980201, 23940603, 71821809]

約数ペア:

[(1, 71821809), (3, 23940603), (9, 7980201), (27, 2660067), (81, 886689), (83, 865323), (243, 295563), (249, 288441), (729, 98521), (747, 96147), (1187, 60507), (2241, 32049), (3561, 20169), (6723, 10683)]