17901717

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1901}}^1$

素因数の和:2020

約数の個数: 16

約数和(自身を含む): 24771648

約数和(自身を除く): 6869931

約数列:

[1, 3, 43, 73, 129, 219, 1901, 3139, 5703, 9417, 81743, 138773, 245229, 416319, 5967239, 17901717]

約数ペア:

[(1, 17901717), (3, 5967239), (43, 416319), (73, 245229), (129, 138773), (219, 81743), (1901, 9417), (3139, 5703)]