12668481

素因数分解:

$3^4\times 7^1\times {\mathrm{22343}}^1$

素因数の和:22362

約数の個数: 20

約数和(自身を含む): 21628992

約数和(自身を除く): 8960511

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 22343, 67029, 156401, 201087, 469203, 603261, 1407609, 1809783, 4222827, 12668481]

約数ペア:

[(1, 12668481), (3, 4222827), (7, 1809783), (9, 1407609), (21, 603261), (27, 469203), (63, 201087), (81, 156401), (189, 67029), (567, 22343)]