27931545

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{26987}}^1$

素因数の和:27021

約数の個数: 24

約数和(自身を含む): 50521536

約数和(自身を除く): 22589991

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 26987, 80961, 134935, 242883, 404805, 620701, 1214415, 1862103, 3103505, 5586309, 9310515, 27931545]

約数ペア:

[(1, 27931545), (3, 9310515), (5, 5586309), (9, 3103505), (15, 1862103), (23, 1214415), (45, 620701), (69, 404805), (115, 242883), (207, 134935), (345, 80961), (1035, 26987)]