81736578021

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29264797}}^1$

素因数の和:29264833

約数の個数: 24

約数和(自身を含む): 133447478880

約数和(自身を除く): 51710900859

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 29264797, 87794391, 204853579, 556031143, 614560737, 1433975053, 1668093429, 3892218001, 4301925159, 11676654003, 27245526007, 81736578021]

約数ペア:

[(1, 81736578021), (3, 27245526007), (7, 11676654003), (19, 4301925159), (21, 3892218001), (49, 1668093429), (57, 1433975053), (133, 614560737), (147, 556031143), (399, 204853579), (931, 87794391), (2793, 29264797)]