1211142471

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{9413}}^1$

素因数の和:9991

約数の個数: 32

約数和(自身を含む): 2017156608

約数和(自身を除く): 806014137

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 557, 1671, 3899, 6127, 9413, 11697, 18381, 28239, 42889, 65891, 103543, 128667, 197673, 310629, 724801, 2174403, 5243041, 15729123, 36701287, 57673451, 110103861, 173020353, 403714157, 1211142471]

約数ペア:

[(1, 1211142471), (3, 403714157), (7, 173020353), (11, 110103861), (21, 57673451), (33, 36701287), (77, 15729123), (231, 5243041), (557, 2174403), (1671, 724801), (3899, 310629), (6127, 197673), (9413, 128667), (11697, 103543), (18381, 65891), (28239, 42889)]