7381125

素因数分解:

$3^{10}\times 5^3$

素因数の和:45

約数の個数: 44

約数和(自身を含む): 13817388

約数和(自身を除く): 6436263

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 243, 375, 405, 675, 729, 1125, 1215, 2025, 2187, 3375, 3645, 6075, 6561, 10125, 10935, 18225, 19683, 30375, 32805, 54675, 59049, 91125, 98415, 164025, 273375, 295245, 492075, 820125, 1476225, 2460375, 7381125]

約数ペア:

[(1, 7381125), (3, 2460375), (5, 1476225), (9, 820125), (15, 492075), (25, 295245), (27, 273375), (45, 164025), (75, 98415), (81, 91125), (125, 59049), (135, 54675), (225, 32805), (243, 30375), (375, 19683), (405, 18225), (675, 10935), (729, 10125), (1125, 6561), (1215, 6075), (2025, 3645), (2187, 3375)]