11980155

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4271}}^1$

素因数の和:4307

約数の個数: 32

約数和(自身を含む): 22146048

約数和(自身を除く): 10165893

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 4271, 12813, 21355, 46981, 64065, 72607, 140943, 217821, 234905, 363035, 704715, 798677, 1089105, 2396031, 3993385, 11980155]

約数ペア:

[(1, 11980155), (3, 3993385), (5, 2396031), (11, 1089105), (15, 798677), (17, 704715), (33, 363035), (51, 234905), (55, 217821), (85, 140943), (165, 72607), (187, 64065), (255, 46981), (561, 21355), (935, 12813), (2805, 4271)]