561691347

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{111913}}^1$

素因数の和:112162

約数の個数: 16

約数和(自身を含む): 859499520

約数和(自身を除く): 297808173

約数列:

[1, 3, 7, 21, 239, 717, 1673, 5019, 111913, 335739, 783391, 2350173, 26747207, 80241621, 187230449, 561691347]

約数ペア:

[(1, 561691347), (3, 187230449), (7, 80241621), (21, 26747207), (239, 2350173), (717, 783391), (1673, 335739), (5019, 111913)]