81545965

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 105937920

約数和(自身を除く): 24391955

約数列:

[1, 5, 31, 37, 59, 155, 185, 241, 295, 1147, 1205, 1829, 2183, 5735, 7471, 8917, 9145, 10915, 14219, 37355, 44585, 67673, 71095, 276427, 338365, 440789, 526103, 1382135, 2203945, 2630515, 16309193, 81545965]

約数ペア:

[(1, 81545965), (5, 16309193), (31, 2630515), (37, 2203945), (59, 1382135), (155, 526103), (185, 440789), (241, 338365), (295, 276427), (1147, 71095), (1205, 67673), (1829, 44585), (2183, 37355), (5735, 14219), (7471, 10915), (8917, 9145)]