81015879

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{881}}^1$

素因数の和:1071

約数の個数: 32

約数和(自身を含む): 128701440

約数和(自身を除く): 47685561

約数列:

[1, 3, 7, 21, 29, 87, 151, 203, 453, 609, 881, 1057, 2643, 3171, 4379, 6167, 13137, 18501, 25549, 30653, 76647, 91959, 133031, 178843, 399093, 536529, 931217, 2793651, 3857899, 11573697, 27005293, 81015879]

約数ペア:

[(1, 81015879), (3, 27005293), (7, 11573697), (21, 3857899), (29, 2793651), (87, 931217), (151, 536529), (203, 399093), (453, 178843), (609, 133031), (881, 91959), (1057, 76647), (2643, 30653), (3171, 25549), (4379, 18501), (6167, 13137)]