77686839

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{23911}}^1$

素因数の和:23955

約数の個数: 18

約数和(自身を含む): 118436136

約数和(自身を除く): 40749297

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 23911, 71733, 215199, 454309, 1362927, 4088781, 8631871, 25895613, 77686839]

約数ペア:

[(1, 77686839), (3, 25895613), (9, 8631871), (19, 4088781), (57, 1362927), (171, 454309), (361, 215199), (1083, 71733), (3249, 23911)]