1285281669

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1974319}}^1$

素因数の和:1974360

約数の個数: 16

約数和(自身を含む): 2021703680

約数和(自身を除く): 736422011

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 1974319, 5922957, 13820233, 41460699, 61203889, 183611667, 428427223, 1285281669]

約数ペア:

[(1, 1285281669), (3, 428427223), (7, 183611667), (21, 61203889), (31, 41460699), (93, 13820233), (217, 5922957), (651, 1974319)]