28313223

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{1279}}^1$

素因数の和:1486

約数の個数: 16

約数和(自身を含む): 38830080

約数和(自身を除く): 10516857

約数列:

[1, 3, 47, 141, 157, 471, 1279, 3837, 7379, 22137, 60113, 180339, 200803, 602409, 9437741, 28313223]

約数ペア:

[(1, 28313223), (3, 9437741), (47, 602409), (141, 200803), (157, 180339), (471, 60113), (1279, 22137), (3837, 7379)]