281127553

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4253}}^1$

素因数の和:4357

約数の個数: 24

約数和(自身を含む): 349168320

約数和(自身を除く): 68040767

約数列:

[1, 7, 19, 49, 71, 133, 497, 931, 1349, 3479, 4253, 9443, 29771, 66101, 80807, 208397, 301963, 565649, 2113741, 3959543, 5737297, 14796187, 40161079, 281127553]

約数ペア:

[(1, 281127553), (7, 40161079), (19, 14796187), (49, 5737297), (71, 3959543), (133, 2113741), (497, 565649), (931, 301963), (1349, 208397), (3479, 80807), (4253, 66101), (9443, 29771)]