199731717

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{157393}}^1$

素因数の和:157449

約数の個数: 16

約数和(自身を含む): 302196480

約数和(自身を除く): 102464763

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 157393, 472179, 1416537, 4249611, 7397471, 22192413, 66577239, 199731717]

約数ペア:

[(1, 199731717), (3, 66577239), (9, 22192413), (27, 7397471), (47, 4249611), (141, 1416537), (423, 472179), (1269, 157393)]