78521211

素因数分解:

$3^3\times {\mathrm{491}}^1\times {\mathrm{5923}}^1$

素因数の和:6423

約数の個数: 16

約数和(自身を含む): 116584320

約数和(自身を除く): 38063109

約数列:

[1, 3, 9, 27, 491, 1473, 4419, 5923, 13257, 17769, 53307, 159921, 2908193, 8724579, 26173737, 78521211]

約数ペア:

[(1, 78521211), (3, 26173737), (9, 8724579), (27, 2908193), (491, 159921), (1473, 53307), (4419, 17769), (5923, 13257)]