80721735

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{463}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 132295680

約数和(自身を除く): 51573945

約数列:

[1, 3, 5, 15, 59, 177, 197, 295, 463, 591, 885, 985, 1389, 2315, 2955, 6945, 11623, 27317, 34869, 58115, 81951, 91211, 136585, 174345, 273633, 409755, 456055, 1368165, 5381449, 16144347, 26907245, 80721735]

約数ペア:

[(1, 80721735), (3, 26907245), (5, 16144347), (15, 5381449), (59, 1368165), (177, 456055), (197, 409755), (295, 273633), (463, 174345), (591, 136585), (885, 91211), (985, 81951), (1389, 58115), (2315, 34869), (2955, 27317), (6945, 11623)]