720578097

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{4213907}}^1$

素因数の和:4213932

約数の個数: 12

約数和(自身を含む): 1095616080

約数和(自身を除く): 375037983

約数列:

[1, 3, 9, 19, 57, 171, 4213907, 12641721, 37925163, 80064233, 240192699, 720578097]

約数ペア:

[(1, 720578097), (3, 240192699), (9, 80064233), (19, 37925163), (57, 12641721), (171, 4213907)]