2168451

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1409}}^1$

素因数の和:1440

約数の個数: 20

約数和(自身を含む): 3412200

約数和(自身を除く): 1243749

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1409, 1539, 4227, 12681, 26771, 38043, 80313, 114129, 240939, 722817, 2168451]

約数ペア:

[(1, 2168451), (3, 722817), (9, 240939), (19, 114129), (27, 80313), (57, 38043), (81, 26771), (171, 12681), (513, 4227), (1409, 1539)]