81241575

素因数分解:

$3^1\times 5^2\times {\mathrm{293}}^1\times {\mathrm{3697}}^1$

素因数の和:4003

約数の個数: 24

約数和(自身を含む): 134814288

約数和(自身を除く): 53572713

約数列:

[1, 3, 5, 15, 25, 75, 293, 879, 1465, 3697, 4395, 7325, 11091, 18485, 21975, 55455, 92425, 277275, 1083221, 3249663, 5416105, 16248315, 27080525, 81241575]

約数ペア:

[(1, 81241575), (3, 27080525), (5, 16248315), (15, 5416105), (25, 3249663), (75, 1083221), (293, 277275), (879, 92425), (1465, 55455), (3697, 21975), (4395, 18485), (7325, 11091)]