12157131

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30469}}^1$

素因数の和:30498

約数の個数: 16

約数和(自身を含む): 19500800

約数和(自身を除く): 7343669

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 30469, 91407, 213283, 578911, 639849, 1736733, 4052377, 12157131]

約数ペア:

[(1, 12157131), (3, 4052377), (7, 1736733), (19, 639849), (21, 578911), (57, 213283), (133, 91407), (399, 30469)]