28076265

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 60652800

約数和(自身を除く): 32576535

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 85, 105, 107, 119, 147, 153, 245, 255, 315, 321, 343, 357, 441, 535, 595, 735, 749, 765, 833, 963, 1029, 1071, 1605, 1715, 1785, 1819, 2205, 2247, 2499, 3087, 3745, 4165, 4815, 5145, 5243, 5355, 5457, 5831, 6741, 7497, 9095, 11235, 12495, 12733, 15435, 15729, 16371, 17493, 26215, 27285, 29155, 33705, 36701, 37485, 38199, 47187, 52479, 63665, 78645, 81855, 87465, 89131, 110103, 114597, 183505, 190995, 235935, 262395, 267393, 330309, 445655, 550515, 572985, 623917, 802179, 1336965, 1651545, 1871751, 3119585, 4010895, 5615253, 9358755, 28076265]

約数ペア:

[(1, 28076265), (3, 9358755), (5, 5615253), (7, 4010895), (9, 3119585), (15, 1871751), (17, 1651545), (21, 1336965), (35, 802179), (45, 623917), (49, 572985), (51, 550515), (63, 445655), (85, 330309), (105, 267393), (107, 262395), (119, 235935), (147, 190995), (153, 183505), (245, 114597), (255, 110103), (315, 89131), (321, 87465), (343, 81855), (357, 78645), (441, 63665), (535, 52479), (595, 47187), (735, 38199), (749, 37485), (765, 36701), (833, 33705), (963, 29155), (1029, 27285), (1071, 26215), (1605, 17493), (1715, 16371), (1785, 15729), (1819, 15435), (2205, 12733), (2247, 12495), (2499, 11235), (3087, 9095), (3745, 7497), (4165, 6741), (4815, 5831), (5145, 5457), (5243, 5355)]