72749205

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31699}}^1$

素因数の和:31730

約数の個数: 32

約数和(自身を含む): 136944000

約数和(自身を除く): 64194795

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 31699, 95097, 158495, 285291, 475485, 538883, 855873, 1426455, 1616649, 2694415, 4279365, 4849947, 8083245, 14549841, 24249735, 72749205]

約数ペア:

[(1, 72749205), (3, 24249735), (5, 14549841), (9, 8083245), (15, 4849947), (17, 4279365), (27, 2694415), (45, 1616649), (51, 1426455), (85, 855873), (135, 538883), (153, 475485), (255, 285291), (459, 158495), (765, 95097), (2295, 31699)]