28727475

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{7817}}^1$

素因数の和:7844

約数の個数: 36

約数和(自身を含む): 55257624

約数和(自身を除く): 26530149

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 525, 735, 1225, 3675, 7817, 23451, 39085, 54719, 117255, 164157, 195425, 273595, 383033, 586275, 820785, 1149099, 1367975, 1915165, 4103925, 5745495, 9575825, 28727475]

約数ペア:

[(1, 28727475), (3, 9575825), (5, 5745495), (7, 4103925), (15, 1915165), (21, 1367975), (25, 1149099), (35, 820785), (49, 586275), (75, 383033), (105, 273595), (147, 195425), (175, 164157), (245, 117255), (525, 54719), (735, 39085), (1225, 23451), (3675, 7817)]