247388265

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{289343}}^1$

素因数の和:289373

約数の個数: 24

約数和(自身を含む): 451376640

約数和(自身を除く): 203988375

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 289343, 868029, 1446715, 2604087, 4340145, 5497517, 13020435, 16492551, 27487585, 49477653, 82462755, 247388265]

約数ペア:

[(1, 247388265), (3, 82462755), (5, 49477653), (9, 27487585), (15, 16492551), (19, 13020435), (45, 5497517), (57, 4340145), (95, 2604087), (171, 1446715), (285, 868029), (855, 289343)]