18253665

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 33965568

約数和(自身を除く): 15711903

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 107, 153, 223, 255, 321, 535, 669, 765, 963, 1115, 1605, 1819, 2007, 3345, 3791, 4815, 5457, 9095, 10035, 11373, 16371, 18955, 23861, 27285, 34119, 56865, 71583, 81855, 119305, 170595, 214749, 357915, 405637, 1073745, 1216911, 2028185, 3650733, 6084555, 18253665]

約数ペア:

[(1, 18253665), (3, 6084555), (5, 3650733), (9, 2028185), (15, 1216911), (17, 1073745), (45, 405637), (51, 357915), (85, 214749), (107, 170595), (153, 119305), (223, 81855), (255, 71583), (321, 56865), (535, 34119), (669, 27285), (765, 23861), (963, 18955), (1115, 16371), (1605, 11373), (1819, 10035), (2007, 9095), (3345, 5457), (3791, 4815)]