201721677

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{28871}}^1$

素因数の和:29028

約数の個数: 16

約数和(自身を含む): 286872192

約数和(自身を除く): 85150515

約数列:

[1, 3, 17, 51, 137, 411, 2329, 6987, 28871, 86613, 490807, 1472421, 3955327, 11865981, 67240559, 201721677]

約数ペア:

[(1, 201721677), (3, 67240559), (17, 11865981), (51, 3955327), (137, 1472421), (411, 490807), (2329, 86613), (6987, 28871)]