42971685

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 70440192

約数和(自身を除く): 27468507

約数列:

[1, 3, 5, 15, 71, 157, 213, 257, 355, 471, 771, 785, 1065, 1285, 2355, 3855, 11147, 18247, 33441, 40349, 54741, 55735, 91235, 121047, 167205, 201745, 273705, 605235, 2864779, 8594337, 14323895, 42971685]

約数ペア:

[(1, 42971685), (3, 14323895), (5, 8594337), (15, 2864779), (71, 605235), (157, 273705), (213, 201745), (257, 167205), (355, 121047), (471, 91235), (771, 55735), (785, 54741), (1065, 40349), (1285, 33441), (2355, 18247), (3855, 11147)]