64557885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3121}}^1$

素因数の和:3333

約数の個数: 32

約数和(自身を含む): 118685952

約数和(自身を除く): 54128067

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 197, 591, 985, 1379, 2955, 3121, 4137, 6895, 9363, 15605, 20685, 21847, 46815, 65541, 109235, 327705, 614837, 1844511, 3074185, 4303859, 9222555, 12911577, 21519295, 64557885]

約数ペア:

[(1, 64557885), (3, 21519295), (5, 12911577), (7, 9222555), (15, 4303859), (21, 3074185), (35, 1844511), (105, 614837), (197, 327705), (591, 109235), (985, 65541), (1379, 46815), (2955, 21847), (3121, 20685), (4137, 15605), (6895, 9363)]