28638519

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4561}}^1$

素因数の和:4607

約数の個数: 32

約数和(自身を含む): 49050624

約数和(自身を除く): 20412105

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 4561, 6279, 13683, 31927, 59293, 95781, 104903, 177879, 314709, 415051, 734321, 1245153, 1363739, 2202963, 4091217, 9546173, 28638519]

約数ペア:

[(1, 28638519), (3, 9546173), (7, 4091217), (13, 2202963), (21, 1363739), (23, 1245153), (39, 734321), (69, 415051), (91, 314709), (161, 177879), (273, 104903), (299, 95781), (483, 59293), (897, 31927), (2093, 13683), (4561, 6279)]