12880161

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2963}}^1$

素因数の和:3002

約数の個数: 32

約数和(自身を含む): 22763520

約数和(自身を除く): 9883359

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 2963, 4347, 8889, 20741, 26667, 62223, 68149, 80001, 186669, 204447, 477043, 560007, 613341, 1431129, 1840023, 4293387, 12880161]

約数ペア:

[(1, 12880161), (3, 4293387), (7, 1840023), (9, 1431129), (21, 613341), (23, 560007), (27, 477043), (63, 204447), (69, 186669), (161, 80001), (189, 68149), (207, 62223), (483, 26667), (621, 20741), (1449, 8889), (2963, 4347)]