28783425

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 52496640

約数和(自身を除く): 23713215

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 139, 165, 251, 275, 417, 695, 753, 825, 1255, 1529, 2085, 2761, 3475, 3765, 4587, 6275, 7645, 8283, 10425, 13805, 18825, 22935, 34889, 38225, 41415, 69025, 104667, 114675, 174445, 207075, 383779, 523335, 872225, 1151337, 1918895, 2616675, 5756685, 9594475, 28783425]

約数ペア:

[(1, 28783425), (3, 9594475), (5, 5756685), (11, 2616675), (15, 1918895), (25, 1151337), (33, 872225), (55, 523335), (75, 383779), (139, 207075), (165, 174445), (251, 114675), (275, 104667), (417, 69025), (695, 41415), (753, 38225), (825, 34889), (1255, 22935), (1529, 18825), (2085, 13805), (2761, 10425), (3475, 8283), (3765, 7645), (4587, 6275)]