17956161

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{7151}}^1$

素因数の和:7194

約数の個数: 20

約数和(自身を含む): 27692544

約数和(自身を除く): 9736383

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 7151, 21453, 64359, 193077, 221681, 579231, 665043, 1995129, 5985387, 17956161]

約数ペア:

[(1, 17956161), (3, 5985387), (9, 1995129), (27, 665043), (31, 579231), (81, 221681), (93, 193077), (279, 64359), (837, 21453), (2511, 7151)]