12391239

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 19607040

約数和(自身を除く): 7215801

約数列:

[1, 3, 7, 21, 59, 73, 137, 177, 219, 411, 413, 511, 959, 1239, 1533, 2877, 4307, 8083, 10001, 12921, 24249, 30003, 30149, 56581, 70007, 90447, 169743, 210021, 590059, 1770177, 4130413, 12391239]

約数ペア:

[(1, 12391239), (3, 4130413), (7, 1770177), (21, 590059), (59, 210021), (73, 169743), (137, 90447), (177, 70007), (219, 56581), (411, 30149), (413, 30003), (511, 24249), (959, 12921), (1239, 10001), (1533, 8083), (2877, 4307)]