157212819

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{47339}}^1$

素因数の和:47392

約数の個数: 20

約数和(自身を含む): 240581880

約数和(自身を除く): 83369061

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 47339, 142017, 426051, 1278153, 1940899, 3834459, 5822697, 17468091, 52404273, 157212819]

約数ペア:

[(1, 157212819), (3, 52404273), (9, 17468091), (27, 5822697), (41, 3834459), (81, 1940899), (123, 1278153), (369, 426051), (1107, 142017), (3321, 47339)]