278319379509

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{311}}^1\times {\mathrm{808417}}^1$

素因数の和:808778

約数の個数: 32

約数和(自身を含む): 423740378880

約数和(自身を除く): 145420999371

約数列:

[1, 3, 9, 27, 41, 123, 311, 369, 933, 1107, 2799, 8397, 12751, 38253, 114759, 344277, 808417, 2425251, 7275753, 21827259, 33145097, 99435291, 251417687, 298305873, 754253061, 894917619, 2262759183, 6788277549, 10308125167, 30924375501, 92773126503, 278319379509]

約数ペア:

[(1, 278319379509), (3, 92773126503), (9, 30924375501), (27, 10308125167), (41, 6788277549), (123, 2262759183), (311, 894917619), (369, 754253061), (933, 298305873), (1107, 251417687), (2799, 99435291), (8397, 33145097), (12751, 21827259), (38253, 7275753), (114759, 2425251), (344277, 808417)]