221821929

素因数分解:

$3^3\times 7^1\times {\mathrm{307}}^1\times {\mathrm{3823}}^1$

素因数の和:4146

約数の個数: 32

約数和(自身を含む): 376893440

約数和(自身を除く): 155071511

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 307, 921, 2149, 2763, 3823, 6447, 8289, 11469, 19341, 26761, 34407, 58023, 80283, 103221, 240849, 722547, 1173661, 3520983, 8215627, 10562949, 24646881, 31688847, 73940643, 221821929]

約数ペア:

[(1, 221821929), (3, 73940643), (7, 31688847), (9, 24646881), (21, 10562949), (27, 8215627), (63, 3520983), (189, 1173661), (307, 722547), (921, 240849), (2149, 103221), (2763, 80283), (3823, 58023), (6447, 34407), (8289, 26761), (11469, 19341)]