90219423

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 140378112

約数和(自身を除く): 50158689

約数列:

[1, 3, 7, 21, 83, 191, 249, 271, 573, 581, 813, 1337, 1743, 1897, 4011, 5691, 15853, 22493, 47559, 51761, 67479, 110971, 155283, 157451, 332913, 362327, 472353, 1086981, 4296163, 12888489, 30073141, 90219423]

約数ペア:

[(1, 90219423), (3, 30073141), (7, 12888489), (21, 4296163), (83, 1086981), (191, 472353), (249, 362327), (271, 332913), (573, 157451), (581, 155283), (813, 110971), (1337, 67479), (1743, 51761), (1897, 47559), (4011, 22493), (5691, 15853)]