7854975

素因数分解:

$3^6\times 5^2\times {\mathrm{431}}^1$

素因数の和:459

約数の個数: 42

約数和(自身を含む): 14637456

約数和(自身を除く): 6782481

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 431, 675, 729, 1215, 1293, 2025, 2155, 3645, 3879, 6075, 6465, 10775, 11637, 18225, 19395, 32325, 34911, 58185, 96975, 104733, 174555, 290925, 314199, 523665, 872775, 1570995, 2618325, 7854975]

約数ペア:

[(1, 7854975), (3, 2618325), (5, 1570995), (9, 872775), (15, 523665), (25, 314199), (27, 290925), (45, 174555), (75, 104733), (81, 96975), (135, 58185), (225, 34911), (243, 32325), (405, 19395), (431, 18225), (675, 11637), (729, 10775), (1215, 6465), (1293, 6075), (2025, 3879), (2155, 3645)]