2780490697947

素因数分解:

$3^3\times {\mathrm{6551}}^1\times {\mathrm{15719911}}^1$

素因数の和:15726471

約数の個数: 16

約数和(自身を含む): 4119874536960

約数和(自身を除く): 1339383839013

約数列:

[1, 3, 9, 27, 6551, 19653, 58959, 176877, 15719911, 47159733, 141479199, 424437597, 102981136961, 308943410883, 926830232649, 2780490697947]

約数ペア:

[(1, 2780490697947), (3, 926830232649), (9, 308943410883), (27, 102981136961), (6551, 424437597), (19653, 141479199), (58959, 47159733), (176877, 15719911)]