12772881

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:382

約数の個数: 36

約数和(自身を含む): 20893236

約数和(自身を除く): 8120355

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 121, 317, 333, 363, 407, 951, 1089, 1221, 2853, 3487, 3663, 4477, 10461, 11729, 13431, 31383, 35187, 38357, 40293, 105561, 115071, 129019, 345213, 387057, 1161171, 1419209, 4257627, 12772881]

約数ペア:

[(1, 12772881), (3, 4257627), (9, 1419209), (11, 1161171), (33, 387057), (37, 345213), (99, 129019), (111, 115071), (121, 105561), (317, 40293), (333, 38357), (363, 35187), (407, 31383), (951, 13431), (1089, 11729), (1221, 10461), (2853, 4477), (3487, 3663)]