320347575

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{27917}}^1$

素因数の和:27953

約数の個数: 48

約数和(自身を含む): 623129760

約数和(自身を除く): 302782185

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 225, 255, 425, 459, 675, 765, 1275, 2295, 3825, 11475, 27917, 83751, 139585, 251253, 418755, 474589, 697925, 753759, 1256265, 1423767, 2093775, 2372945, 3768795, 4271301, 6281325, 7118835, 11864725, 12813903, 18843975, 21356505, 35594175, 64069515, 106782525, 320347575]

約数ペア:

[(1, 320347575), (3, 106782525), (5, 64069515), (9, 35594175), (15, 21356505), (17, 18843975), (25, 12813903), (27, 11864725), (45, 7118835), (51, 6281325), (75, 4271301), (85, 3768795), (135, 2372945), (153, 2093775), (225, 1423767), (255, 1256265), (425, 753759), (459, 697925), (675, 474589), (765, 418755), (1275, 251253), (2295, 139585), (3825, 83751), (11475, 27917)]