28803825

素因数分解:

$3^2\times 5^2\times {\mathrm{313}}^1\times {\mathrm{409}}^1$

素因数の和:738

約数の個数: 36

約数和(自身を含む): 51882220

約数和(自身を除く): 23078395

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 313, 409, 939, 1227, 1565, 2045, 2817, 3681, 4695, 6135, 7825, 10225, 14085, 18405, 23475, 30675, 70425, 92025, 128017, 384051, 640085, 1152153, 1920255, 3200425, 5760765, 9601275, 28803825]

約数ペア:

[(1, 28803825), (3, 9601275), (5, 5760765), (9, 3200425), (15, 1920255), (25, 1152153), (45, 640085), (75, 384051), (225, 128017), (313, 92025), (409, 70425), (939, 30675), (1227, 23475), (1565, 18405), (2045, 14085), (2817, 10225), (3681, 7825), (4695, 6135)]