51781389

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{42409}}^1$

素因数の和:42460

約数の個数: 16

約数和(自身を含む): 77355840

約数和(自身を除く): 25574451

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 42409, 127227, 466499, 1399497, 1569133, 4707399, 17260463, 51781389]

約数ペア:

[(1, 51781389), (3, 17260463), (11, 4707399), (33, 1569133), (37, 1399497), (111, 466499), (407, 127227), (1221, 42409)]