78826365

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^2$

素因数の和:248

約数の個数: 60

約数和(自身を含む): 151026876

約数和(自身を除く): 72200511

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 107, 135, 153, 255, 321, 405, 459, 535, 765, 963, 1377, 1605, 1819, 2295, 2889, 4815, 5457, 6885, 8667, 9095, 11449, 14445, 16371, 27285, 34347, 43335, 49113, 57245, 81855, 103041, 147339, 171735, 194633, 245565, 309123, 515205, 583899, 736695, 927369, 973165, 1545615, 1751697, 2919495, 4636845, 5255091, 8758485, 15765273, 26275455, 78826365]

約数ペア:

[(1, 78826365), (3, 26275455), (5, 15765273), (9, 8758485), (15, 5255091), (17, 4636845), (27, 2919495), (45, 1751697), (51, 1545615), (81, 973165), (85, 927369), (107, 736695), (135, 583899), (153, 515205), (255, 309123), (321, 245565), (405, 194633), (459, 171735), (535, 147339), (765, 103041), (963, 81855), (1377, 57245), (1605, 49113), (1819, 43335), (2295, 34347), (2889, 27285), (4815, 16371), (5457, 14445), (6885, 11449), (8667, 9095)]