28554897

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{4133}}^1$

素因数の和:4197

約数の個数: 24

約数和(自身を含む): 45242496

約数和(自身を除く): 16687599

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 4133, 6909, 12399, 28931, 86793, 194251, 202517, 582753, 607551, 1359757, 4079271, 9518299, 28554897]

約数ペア:

[(1, 28554897), (3, 9518299), (7, 4079271), (21, 1359757), (47, 607551), (49, 582753), (141, 202517), (147, 194251), (329, 86793), (987, 28931), (2303, 12399), (4133, 6909)]