28658115

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27689}}^1$

素因数の和:27723

約数の個数: 24

約数和(自身を含む): 51835680

約数和(自身を除く): 23177565

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 27689, 83067, 138445, 249201, 415335, 636847, 1246005, 1910541, 3184235, 5731623, 9552705, 28658115]

約数ペア:

[(1, 28658115), (3, 9552705), (5, 5731623), (9, 3184235), (15, 1910541), (23, 1246005), (45, 636847), (69, 415335), (115, 249201), (207, 138445), (345, 83067), (1035, 27689)]