28247805

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2521}}^1$

素因数の和:2618

約数の個数: 32

約数和(自身を含む): 50843520

約数和(自身を除く): 22595715

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 135, 249, 415, 747, 1245, 2241, 2521, 3735, 7563, 11205, 12605, 22689, 37815, 68067, 113445, 209243, 340335, 627729, 1046215, 1883187, 3138645, 5649561, 9415935, 28247805]

約数ペア:

[(1, 28247805), (3, 9415935), (5, 5649561), (9, 3138645), (15, 1883187), (27, 1046215), (45, 627729), (83, 340335), (135, 209243), (249, 113445), (415, 68067), (747, 37815), (1245, 22689), (2241, 12605), (2521, 11205), (3735, 7563)]