26991225

素因数分解:

$3^6\times 5^2\times {\mathrm{1481}}^1$

素因数の和:1509

約数の個数: 42

約数和(自身を含む): 50214606

約数和(自身を除く): 23223381

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 1481, 2025, 3645, 4443, 6075, 7405, 13329, 18225, 22215, 37025, 39987, 66645, 111075, 119961, 199935, 333225, 359883, 599805, 999675, 1079649, 1799415, 2999025, 5398245, 8997075, 26991225]

約数ペア:

[(1, 26991225), (3, 8997075), (5, 5398245), (9, 2999025), (15, 1799415), (25, 1079649), (27, 999675), (45, 599805), (75, 359883), (81, 333225), (135, 199935), (225, 119961), (243, 111075), (405, 66645), (675, 39987), (729, 37025), (1215, 22215), (1481, 18225), (2025, 13329), (3645, 7405), (4443, 6075)]