261420993

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{333871}}^1$

素因数の和:333909

約数の個数: 16

約数和(自身を含む): 400646400

約数和(自身を除く): 139225407

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 333871, 1001613, 3004839, 9014517, 9682259, 29046777, 87140331, 261420993]

約数ペア:

[(1, 261420993), (3, 87140331), (9, 29046777), (27, 9682259), (29, 9014517), (87, 3004839), (261, 1001613), (783, 333871)]