220193337

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42451}}^1$

素因数の和:42493

約数の個数: 32

約数和(自身を含む): 380369920

約数和(自身を除く): 160176583

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 42451, 127353, 297157, 551863, 806569, 891471, 1655589, 2419707, 3863041, 5645983, 10485397, 11589123, 16937949, 31456191, 73397779, 220193337]

約数ペア:

[(1, 220193337), (3, 73397779), (7, 31456191), (13, 16937949), (19, 11589123), (21, 10485397), (39, 5645983), (57, 3863041), (91, 2419707), (133, 1655589), (247, 891471), (273, 806569), (399, 551863), (741, 297157), (1729, 127353), (5187, 42451)]