81280542

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1935251}}^1$

素因数の和:1935263

約数の個数: 16

約数和(自身を含む): 185784192

約数和(自身を除く): 104503650

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1935251, 3870502, 5805753, 11611506, 13546757, 27093514, 40640271, 81280542]

約数ペア:

[(1, 81280542), (2, 40640271), (3, 27093514), (6, 13546757), (7, 11611506), (14, 5805753), (21, 3870502), (42, 1935251)]