720512253

素因数分解:

$3^6\times {\mathrm{988357}}^1$

素因数の和:988375

約数の個数: 14

約数和(自身を含む): 1080275294

約数和(自身を除く): 359763041

約数列:

[1, 3, 9, 27, 81, 243, 729, 988357, 2965071, 8895213, 26685639, 80056917, 240170751, 720512253]

約数ペア:

[(1, 720512253), (3, 240170751), (9, 80056917), (27, 26685639), (81, 8895213), (243, 2965071), (729, 988357)]