81145743

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{227299}}^1$

素因数の和:227326

約数の個数: 16

約数和(自身を含む): 130924800

約数和(自身を除く): 49779057

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 227299, 681897, 1591093, 3864083, 4773279, 11592249, 27048581, 81145743]

約数ペア:

[(1, 81145743), (3, 27048581), (7, 11592249), (17, 4773279), (21, 3864083), (51, 1591093), (119, 681897), (357, 227299)]