28249245

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{4943}}^1$

素因数の和:5081

約数の個数: 24

約数和(自身を含む): 49360896

約数和(自身を除く): 21111651

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 4943, 5715, 14829, 24715, 44487, 74145, 222435, 627761, 1883283, 3138805, 5649849, 9416415, 28249245]

約数ペア:

[(1, 28249245), (3, 9416415), (5, 5649849), (9, 3138805), (15, 1883283), (45, 627761), (127, 222435), (381, 74145), (635, 44487), (1143, 24715), (1905, 14829), (4943, 5715)]