80684709

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{72493}}^1$

素因数の和:72556

約数の個数: 16

約数和(自身を含む): 125269632

約数和(自身を除く): 44584923

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 72493, 217479, 507451, 1522353, 3842129, 11526387, 26894903, 80684709]

約数ペア:

[(1, 80684709), (3, 26894903), (7, 11526387), (21, 3842129), (53, 1522353), (159, 507451), (371, 217479), (1113, 72493)]