4049271405

素因数分解:

$3^4\times 5^1\times {\mathrm{9998201}}^1$

素因数の和:9998218

約数の個数: 20

約数和(自身を含む): 7258694652

約数和(自身を除く): 3209423247

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 9998201, 29994603, 49991005, 89983809, 149973015, 269951427, 449919045, 809854281, 1349757135, 4049271405]

約数ペア:

[(1, 4049271405), (3, 1349757135), (5, 809854281), (9, 449919045), (15, 269951427), (27, 149973015), (45, 89983809), (81, 49991005), (135, 29994603), (405, 9998201)]