213882021

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{193}}^1\times {\mathrm{2087}}^1$

素因数の和:2345

約数の個数: 24

約数和(自身を含む): 315956160

約数和(自身を除く): 102074139

約数列:

[1, 3, 9, 59, 177, 193, 531, 579, 1737, 2087, 6261, 11387, 18783, 34161, 102483, 123133, 369399, 402791, 1108197, 1208373, 3625119, 23764669, 71294007, 213882021]

約数ペア:

[(1, 213882021), (3, 71294007), (9, 23764669), (59, 3625119), (177, 1208373), (193, 1108197), (531, 402791), (579, 369399), (1737, 123133), (2087, 102483), (6261, 34161), (11387, 18783)]