9870679

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3499}}^1$

素因数の和:3550

約数の個数: 16

約数和(自身を含む): 12544000

約数和(自身を除く): 2673321

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 3499, 24493, 45487, 108469, 318409, 759283, 1410097, 9870679]

約数ペア:

[(1, 9870679), (7, 1410097), (13, 759283), (31, 318409), (91, 108469), (217, 45487), (403, 24493), (2821, 3499)]