31974855

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 57200640

約数和(自身を除く): 25225785

約数列:

[1, 3, 5, 11, 15, 33, 55, 79, 121, 165, 223, 237, 363, 395, 605, 669, 869, 1115, 1185, 1815, 2453, 2607, 3345, 4345, 7359, 9559, 12265, 13035, 17617, 26983, 28677, 36795, 47795, 52851, 80949, 88085, 134915, 143385, 193787, 264255, 404745, 581361, 968935, 2131657, 2906805, 6394971, 10658285, 31974855]

約数ペア:

[(1, 31974855), (3, 10658285), (5, 6394971), (11, 2906805), (15, 2131657), (33, 968935), (55, 581361), (79, 404745), (121, 264255), (165, 193787), (223, 143385), (237, 134915), (363, 88085), (395, 80949), (605, 52851), (669, 47795), (869, 36795), (1115, 28677), (1185, 26983), (1815, 17617), (2453, 13035), (2607, 12265), (3345, 9559), (4345, 7359)]