81246555

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{138883}}^1$

素因数の和:138907

約数の個数: 24

約数和(自身を含む): 151661328

約数和(自身を除く): 70414773

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 138883, 416649, 694415, 1249947, 1805479, 2083245, 5416437, 6249735, 9027395, 16249311, 27082185, 81246555]

約数ペア:

[(1, 81246555), (3, 27082185), (5, 16249311), (9, 9027395), (13, 6249735), (15, 5416437), (39, 2083245), (45, 1805479), (65, 1249947), (117, 694415), (195, 416649), (585, 138883)]