80811921

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{32971}}^1$

素因数の和:33036

約数の個数: 16

約数和(自身を含む): 116061440

約数和(自身を除く): 35249519

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 32971, 98913, 626449, 1417753, 1879347, 4253259, 26937307, 80811921]

約数ペア:

[(1, 80811921), (3, 26937307), (19, 4253259), (43, 1879347), (57, 1417753), (129, 626449), (817, 98913), (2451, 32971)]