16866225

素因数分解:

$3^4\times 5^2\times {\mathrm{8329}}^1$

素因数の和:8351

約数の個数: 30

約数和(自身を含む): 31245830

約数和(自身を除く): 14379605

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 8329, 24987, 41645, 74961, 124935, 208225, 224883, 374805, 624675, 674649, 1124415, 1874025, 3373245, 5622075, 16866225]

約数ペア:

[(1, 16866225), (3, 5622075), (5, 3373245), (9, 1874025), (15, 1124415), (25, 674649), (27, 624675), (45, 374805), (75, 224883), (81, 208225), (135, 124935), (225, 74961), (405, 41645), (675, 24987), (2025, 8329)]