28920237

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{541}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 39232128

約数和(自身を除く): 10311891

約数列:

[1, 3, 103, 173, 309, 519, 541, 1623, 17819, 53457, 55723, 93593, 167169, 280779, 9640079, 28920237]

約数ペア:

[(1, 28920237), (3, 9640079), (103, 280779), (173, 167169), (309, 93593), (519, 55723), (541, 53457), (1623, 17819)]