3906225

素因数分解:

$3^5\times 5^2\times {\mathrm{643}}^1$

素因数の和:668

約数の個数: 36

約数和(自身を含む): 7266896

約数和(自身を除く): 3360671

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 643, 675, 1215, 1929, 2025, 3215, 5787, 6075, 9645, 16075, 17361, 28935, 48225, 52083, 86805, 144675, 156249, 260415, 434025, 781245, 1302075, 3906225]

約数ペア:

[(1, 3906225), (3, 1302075), (5, 781245), (9, 434025), (15, 260415), (25, 156249), (27, 144675), (45, 86805), (75, 52083), (81, 48225), (135, 28935), (225, 17361), (243, 16075), (405, 9645), (643, 6075), (675, 5787), (1215, 3215), (1929, 2025)]