2080161

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:494

約数の個数: 20

約数和(自身を含む): 3165844

約数和(自身を除く): 1085683

約数列:

[1, 3, 9, 27, 61, 81, 183, 421, 549, 1263, 1647, 3789, 4941, 11367, 25681, 34101, 77043, 231129, 693387, 2080161]

約数ペア:

[(1, 2080161), (3, 693387), (9, 231129), (27, 77043), (61, 34101), (81, 25681), (183, 11367), (421, 4941), (549, 3789), (1263, 1647)]