199720107

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{53993}}^1$

素因数の和:54139

約数の個数: 16

約数和(自身を含む): 298046880

約数和(自身を除く): 98326773

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 53993, 161979, 485937, 1457811, 7397041, 22191123, 66573369, 199720107]

約数ペア:

[(1, 199720107), (3, 66573369), (9, 22191123), (27, 7397041), (137, 1457811), (411, 485937), (1233, 161979), (3699, 53993)]