80407647

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{21121}}^1$

素因数の和:21180

約数の個数: 20

約数和(自身を含む): 122676576

約数和(自身を除く): 42268929

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 21121, 63363, 190089, 570267, 992687, 1710801, 2978061, 8934183, 26802549, 80407647]

約数ペア:

[(1, 80407647), (3, 26802549), (9, 8934183), (27, 2978061), (47, 1710801), (81, 992687), (141, 570267), (423, 190089), (1269, 63363), (3807, 21121)]