28989579

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{1009}}^1$

素因数の和:1230

約数の個数: 16

約数和(自身を含む): 39575840

約数和(自身を除く): 10586261

約数列:

[1, 3, 61, 157, 183, 471, 1009, 3027, 9577, 28731, 61549, 158413, 184647, 475239, 9663193, 28989579]

約数ペア:

[(1, 28989579), (3, 9663193), (61, 475239), (157, 184647), (183, 158413), (471, 61549), (1009, 28731), (3027, 9577)]