31987089

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2711}}^1$

素因数の和:2762

約数の個数: 32

約数和(自身を含む): 52070400

約数和(自身を除く): 20083311

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 171, 207, 437, 513, 621, 1311, 2711, 3933, 8133, 11799, 24399, 51509, 62353, 73197, 154527, 187059, 463581, 561177, 1184707, 1390743, 1683531, 3554121, 10662363, 31987089]

約数ペア:

[(1, 31987089), (3, 10662363), (9, 3554121), (19, 1683531), (23, 1390743), (27, 1184707), (57, 561177), (69, 463581), (171, 187059), (207, 154527), (437, 73197), (513, 62353), (621, 51509), (1311, 24399), (2711, 11799), (3933, 8133)]