12120885

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 25608960

約数和(自身を除く): 13488075

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 49, 63, 69, 105, 115, 147, 161, 207, 239, 245, 315, 345, 441, 483, 717, 735, 805, 1035, 1127, 1195, 1449, 1673, 2151, 2205, 2415, 3381, 3585, 5019, 5497, 5635, 7245, 8365, 10143, 10755, 11711, 15057, 16491, 16905, 25095, 27485, 35133, 38479, 49473, 50715, 58555, 75285, 82455, 105399, 115437, 175665, 192395, 247365, 269353, 346311, 526995, 577185, 808059, 1346765, 1731555, 2424177, 4040295, 12120885]

約数ペア:

[(1, 12120885), (3, 4040295), (5, 2424177), (7, 1731555), (9, 1346765), (15, 808059), (21, 577185), (23, 526995), (35, 346311), (45, 269353), (49, 247365), (63, 192395), (69, 175665), (105, 115437), (115, 105399), (147, 82455), (161, 75285), (207, 58555), (239, 50715), (245, 49473), (315, 38479), (345, 35133), (441, 27485), (483, 25095), (717, 16905), (735, 16491), (805, 15057), (1035, 11711), (1127, 10755), (1195, 10143), (1449, 8365), (1673, 7245), (2151, 5635), (2205, 5497), (2415, 5019), (3381, 3585)]