645092950581

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{57295759}}^1$

素因数の和:57295910

約数の個数: 20

約数和(自身を含む): 970590174400

約数和(自身を除く): 325497223819

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 57295759, 171887277, 515661831, 1546985493, 4640956479, 7964110501, 23892331503, 71676994509, 215030983527, 645092950581]

約数ペア:

[(1, 645092950581), (3, 215030983527), (9, 71676994509), (27, 23892331503), (81, 7964110501), (139, 4640956479), (417, 1546985493), (1251, 515661831), (3753, 171887277), (11259, 57295759)]