20174721

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1933}}^1$

素因数の和:2021

約数の個数: 24

約数和(自身を含む): 31748544

約数和(自身を除く): 11573823

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 1933, 3479, 5799, 10437, 13531, 40593, 94717, 137243, 284151, 411729, 960701, 2882103, 6724907, 20174721]

約数ペア:

[(1, 20174721), (3, 6724907), (7, 2882103), (21, 960701), (49, 411729), (71, 284151), (147, 137243), (213, 94717), (497, 40593), (1491, 13531), (1933, 10437), (3479, 5799)]