31294917

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{2593}}^1$

素因数の和:2754

約数の個数: 20

約数和(自身を含む): 47081100

約数和(自身を除く): 15786183

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 2593, 4023, 7779, 12069, 23337, 70011, 210033, 386357, 1159071, 3477213, 10431639, 31294917]

約数ペア:

[(1, 31294917), (3, 10431639), (9, 3477213), (27, 1159071), (81, 386357), (149, 210033), (447, 70011), (1341, 23337), (2593, 12069), (4023, 7779)]