128743611

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{4481}}^1$

素因数の和:4702

約数の個数: 16

約数和(自身を含む): 175622688

約数和(自身を除く): 46879077

約数列:

[1, 3, 61, 157, 183, 471, 4481, 9577, 13443, 28731, 273341, 703517, 820023, 2110551, 42914537, 128743611]

約数ペア:

[(1, 128743611), (3, 42914537), (61, 2110551), (157, 820023), (183, 703517), (471, 273341), (4481, 28731), (9577, 13443)]