12609891

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 21550080

約数和(自身を除く): 8940189

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 487, 959, 1233, 1461, 2877, 3409, 3699, 4383, 8631, 10227, 13149, 25893, 30681, 66719, 92043, 200157, 467033, 600471, 1401099, 1801413, 4203297, 12609891]

約数ペア:

[(1, 12609891), (3, 4203297), (7, 1801413), (9, 1401099), (21, 600471), (27, 467033), (63, 200157), (137, 92043), (189, 66719), (411, 30681), (487, 25893), (959, 13149), (1233, 10227), (1461, 8631), (2877, 4383), (3409, 3699)]