157225779

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{102161}}^1$

素因数の和:102192

約数の個数: 20

約数和(自身を含む): 247232040

約数和(自身を除く): 90006261

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 102161, 306483, 919449, 1941059, 2758347, 5823177, 8275041, 17469531, 52408593, 157225779]

約数ペア:

[(1, 157225779), (3, 52408593), (9, 17469531), (19, 8275041), (27, 5823177), (57, 2758347), (81, 1941059), (171, 919449), (513, 306483), (1539, 102161)]