81160485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{2939}}^1$

素因数の和:3217

約数の個数: 32

約数和(自身を含む): 149022720

約数和(自身を除く): 67862235

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 263, 789, 1315, 1841, 2939, 3945, 5523, 8817, 9205, 14695, 20573, 27615, 44085, 61719, 102865, 308595, 772957, 2318871, 3864785, 5410699, 11594355, 16232097, 27053495, 81160485]

約数ペア:

[(1, 81160485), (3, 27053495), (5, 16232097), (7, 11594355), (15, 5410699), (21, 3864785), (35, 2318871), (105, 772957), (263, 308595), (789, 102865), (1315, 61719), (1841, 44085), (2939, 27615), (3945, 20573), (5523, 14695), (8817, 9205)]