7874739

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{509}}^1$

素因数の和:712

約数の個数: 20

約数和(自身を含む): 11848320

約数和(自身を除く): 3973581

約数列:

[1, 3, 9, 27, 81, 191, 509, 573, 1527, 1719, 4581, 5157, 13743, 15471, 41229, 97219, 291657, 874971, 2624913, 7874739]

約数ペア:

[(1, 7874739), (3, 2624913), (9, 874971), (27, 291657), (81, 97219), (191, 41229), (509, 15471), (573, 13743), (1527, 5157), (1719, 4581)]