12778335

素因数分解:

$3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{641}}^1$

素因数の和:1095

約数の個数: 24

約数和(自身を含む): 22233744

約数和(自身を除く): 9455409

約数列:

[1, 3, 5, 9, 15, 45, 443, 641, 1329, 1923, 2215, 3205, 3987, 5769, 6645, 9615, 19935, 28845, 283963, 851889, 1419815, 2555667, 4259445, 12778335]

約数ペア:

[(1, 12778335), (3, 4259445), (5, 2555667), (9, 1419815), (15, 851889), (45, 283963), (443, 28845), (641, 19935), (1329, 9615), (1923, 6645), (2215, 5769), (3205, 3987)]