77977881

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^2\times {\mathrm{131}}^1$

素因数の和:274

約数の個数: 36

約数和(自身を含む): 121527120

約数和(自身を除く): 43549239

約数列:

[1, 3, 9, 19, 57, 59, 131, 171, 177, 393, 531, 1121, 1179, 2489, 3363, 3481, 7467, 7729, 10089, 10443, 22401, 23187, 31329, 66139, 69561, 146851, 198417, 440553, 456011, 595251, 1321659, 1368033, 4104099, 8664209, 25992627, 77977881]

約数ペア:

[(1, 77977881), (3, 25992627), (9, 8664209), (19, 4104099), (57, 1368033), (59, 1321659), (131, 595251), (171, 456011), (177, 440553), (393, 198417), (531, 146851), (1121, 69561), (1179, 66139), (2489, 31329), (3363, 23187), (3481, 22401), (7467, 10443), (7729, 10089)]