2691225

素因数分解:

$3^5\times 5^2\times {\mathrm{443}}^1$

素因数の和:468

約数の個数: 36

約数和(自身を含む): 5010096

約数和(自身を除く): 2318871

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 443, 675, 1215, 1329, 2025, 2215, 3987, 6075, 6645, 11075, 11961, 19935, 33225, 35883, 59805, 99675, 107649, 179415, 299025, 538245, 897075, 2691225]

約数ペア:

[(1, 2691225), (3, 897075), (5, 538245), (9, 299025), (15, 179415), (25, 107649), (27, 99675), (45, 59805), (75, 35883), (81, 33225), (135, 19935), (225, 11961), (243, 11075), (405, 6645), (443, 6075), (675, 3987), (1215, 2215), (1329, 2025)]