17961831

素因数分解:

$3^7\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 27709440

約数和(自身を除く): 9747609

約数列:

[1, 3, 9, 27, 43, 81, 129, 191, 243, 387, 573, 729, 1161, 1719, 2187, 3483, 5157, 8213, 10449, 15471, 24639, 31347, 46413, 73917, 94041, 139239, 221751, 417717, 665253, 1995759, 5987277, 17961831]

約数ペア:

[(1, 17961831), (3, 5987277), (9, 1995759), (27, 665253), (43, 417717), (81, 221751), (129, 139239), (191, 94041), (243, 73917), (387, 46413), (573, 31347), (729, 24639), (1161, 15471), (1719, 10449), (2187, 8213), (3483, 5157)]