12219597

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1471}}^1$

素因数の和:1561

約数の個数: 24

約数和(自身を含む): 19289088

約数和(自身を除く): 7069491

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 1471, 2769, 4413, 8307, 13239, 19123, 57369, 104441, 172107, 313323, 939969, 1357733, 4073199, 12219597]

約数ペア:

[(1, 12219597), (3, 4073199), (9, 1357733), (13, 939969), (39, 313323), (71, 172107), (117, 104441), (213, 57369), (639, 19123), (923, 13239), (1471, 8307), (2769, 4413)]