247353903

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{281}}^1\times {\mathrm{2081}}^1$

素因数の和:2415

約数の個数: 24

約数和(自身を含む): 366365376

約数和(自身を除く): 119011473

約数列:

[1, 3, 9, 47, 141, 281, 423, 843, 2081, 2529, 6243, 13207, 18729, 39621, 97807, 118863, 293421, 584761, 880263, 1754283, 5262849, 27483767, 82451301, 247353903]

約数ペア:

[(1, 247353903), (3, 82451301), (9, 27483767), (47, 5262849), (141, 1754283), (281, 880263), (423, 584761), (843, 293421), (2081, 118863), (2529, 97807), (6243, 39621), (13207, 18729)]