1718415

素因数分解:

$3^4\times 5^1\times {\mathrm{4243}}^1$

素因数の和:4260

約数の個数: 20

約数和(自身を含む): 3081144

約数和(自身を除く): 1362729

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4243, 12729, 21215, 38187, 63645, 114561, 190935, 343683, 572805, 1718415]

約数ペア:

[(1, 1718415), (3, 572805), (5, 343683), (9, 190935), (15, 114561), (27, 63645), (45, 38187), (81, 21215), (135, 12729), (405, 4243)]