12851181

素因数分解:

$3^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 22713600

約数和(自身を除く): 9862419

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 181, 207, 343, 441, 483, 543, 1029, 1127, 1267, 1449, 1629, 3087, 3381, 3801, 4163, 7889, 8869, 10143, 11403, 12489, 23667, 26607, 29141, 37467, 62083, 71001, 79821, 87423, 186249, 203987, 262269, 558747, 611961, 1427909, 1835883, 4283727, 12851181]

約数ペア:

[(1, 12851181), (3, 4283727), (7, 1835883), (9, 1427909), (21, 611961), (23, 558747), (49, 262269), (63, 203987), (69, 186249), (147, 87423), (161, 79821), (181, 71001), (207, 62083), (343, 37467), (441, 29141), (483, 26607), (543, 23667), (1029, 12489), (1127, 11403), (1267, 10143), (1449, 8869), (1629, 7889), (3087, 4163), (3381, 3801)]