7070247

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{457}}^1$

素因数の和:660

約数の個数: 20

約数和(自身を含む): 10640256

約数和(自身を除く): 3570009

約数列:

[1, 3, 9, 27, 81, 191, 457, 573, 1371, 1719, 4113, 5157, 12339, 15471, 37017, 87287, 261861, 785583, 2356749, 7070247]

約数ペア:

[(1, 7070247), (3, 2356749), (9, 785583), (27, 261861), (81, 87287), (191, 37017), (457, 15471), (573, 12339), (1371, 5157), (1719, 4113)]