3951567207

素因数分解:

$3^3\times 7^1\times {\mathrm{20907763}}^1$

素因数の和:20907779

約数の個数: 16

約数和(自身を含む): 6690484480

約数和(自身を除く): 2738917273

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 20907763, 62723289, 146354341, 188169867, 439063023, 564509601, 1317189069, 3951567207]

約数ペア:

[(1, 3951567207), (3, 1317189069), (7, 564509601), (9, 439063023), (21, 188169867), (27, 146354341), (63, 62723289), (189, 20907763)]