9780367027221

素因数分解:

$3^4\times 7^1\times {\mathrm{17249324563}}^1$

素因数の和:17249324582

約数の個数: 20

約数和(自身を含む): 16697346177952

約数和(自身を除く): 6916979150731

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 17249324563, 51747973689, 120745271941, 155243921067, 362235815823, 465731763201, 1086707447469, 1397195289603, 3260122342407, 9780367027221]

約数ペア:

[(1, 9780367027221), (3, 3260122342407), (7, 1397195289603), (9, 1086707447469), (21, 465731763201), (27, 362235815823), (63, 155243921067), (81, 120745271941), (189, 51747973689), (567, 17249324563)]