28198731

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{18181}}^1$

素因数の和:18242

約数の個数: 16

約数和(自身を含む): 41891328

約数和(自身を除く): 13692597

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 18181, 54543, 199991, 599973, 854507, 2563521, 9399577, 28198731]

約数ペア:

[(1, 28198731), (3, 9399577), (11, 2563521), (33, 854507), (47, 599973), (141, 199991), (517, 54543), (1551, 18181)]