42122721

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{1997}}^1$

素因数の和:2168

約数の個数: 16

約数和(自身を含む): 57542400

約数和(自身を除く): 15419679

約数列:

[1, 3, 79, 89, 237, 267, 1997, 5991, 7031, 21093, 157763, 177733, 473289, 533199, 14040907, 42122721]

約数ペア:

[(1, 42122721), (3, 14040907), (79, 533199), (89, 473289), (237, 177733), (267, 157763), (1997, 21093), (5991, 7031)]