9781135

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 15283296

約数和(自身を除く): 5502161

約数列:

[1, 5, 7, 13, 35, 37, 49, 65, 83, 91, 185, 245, 259, 415, 455, 481, 581, 637, 1079, 1295, 1813, 2405, 2905, 3071, 3185, 3367, 4067, 5395, 7553, 9065, 15355, 16835, 20335, 21497, 23569, 37765, 39923, 52871, 107485, 117845, 150479, 199615, 264355, 279461, 752395, 1397305, 1956227, 9781135]

約数ペア:

[(1, 9781135), (5, 1956227), (7, 1397305), (13, 752395), (35, 279461), (37, 264355), (49, 199615), (65, 150479), (83, 117845), (91, 107485), (185, 52871), (245, 39923), (259, 37765), (415, 23569), (455, 21497), (481, 20335), (581, 16835), (637, 15355), (1079, 9065), (1295, 7553), (1813, 5395), (2405, 4067), (2905, 3367), (3071, 3185)]