31959291

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{701}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 52835328

約数和(自身を除く): 20876037

約数列:

[1, 3, 7, 13, 21, 39, 91, 167, 273, 501, 701, 1169, 2103, 2171, 3507, 4907, 6513, 9113, 14721, 15197, 27339, 45591, 63791, 117067, 191373, 351201, 819469, 1521871, 2458407, 4565613, 10653097, 31959291]

約数ペア:

[(1, 31959291), (3, 10653097), (7, 4565613), (13, 2458407), (21, 1521871), (39, 819469), (91, 351201), (167, 191373), (273, 117067), (501, 63791), (701, 45591), (1169, 27339), (2103, 15197), (2171, 14721), (3507, 9113), (4907, 6513)]