20139231

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{5021}}^1$

素因数の和:5222

約数の個数: 16

約数和(自身を含む): 30855168

約数和(自身を除く): 10715937

約数列:

[1, 3, 7, 21, 191, 573, 1337, 4011, 5021, 15063, 35147, 105441, 959011, 2877033, 6713077, 20139231]

約数ペア:

[(1, 20139231), (3, 6713077), (7, 2877033), (21, 959011), (191, 105441), (573, 35147), (1337, 15063), (4011, 5021)]