81781452

素因数分解:

$2^2\times 3^2\times {\mathrm{821}}^1\times {\mathrm{2767}}^1$

素因数の和:3598

約数の個数: 36

約数和(自身を含む): 207051936

約数和(自身を除く): 125270484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 821, 1642, 2463, 2767, 3284, 4926, 5534, 7389, 8301, 9852, 11068, 14778, 16602, 24903, 29556, 33204, 49806, 99612, 2271707, 4543414, 6815121, 9086828, 13630242, 20445363, 27260484, 40890726, 81781452]

約数ペア:

[(1, 81781452), (2, 40890726), (3, 27260484), (4, 20445363), (6, 13630242), (9, 9086828), (12, 6815121), (18, 4543414), (36, 2271707), (821, 99612), (1642, 49806), (2463, 33204), (2767, 29556), (3284, 24903), (4926, 16602), (5534, 14778), (7389, 11068), (8301, 9852)]