28096845

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 54067200

約数和(自身を除く): 25970355

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 49, 105, 127, 129, 147, 215, 245, 301, 343, 381, 635, 645, 735, 889, 903, 1029, 1505, 1715, 1905, 2107, 2667, 4445, 4515, 5145, 5461, 6223, 6321, 10535, 13335, 14749, 16383, 18669, 27305, 31115, 31605, 38227, 43561, 44247, 73745, 81915, 93345, 114681, 130683, 191135, 217805, 221235, 267589, 573405, 653415, 802767, 1337945, 1873123, 4013835, 5619369, 9365615, 28096845]

約数ペア:

[(1, 28096845), (3, 9365615), (5, 5619369), (7, 4013835), (15, 1873123), (21, 1337945), (35, 802767), (43, 653415), (49, 573405), (105, 267589), (127, 221235), (129, 217805), (147, 191135), (215, 130683), (245, 114681), (301, 93345), (343, 81915), (381, 73745), (635, 44247), (645, 43561), (735, 38227), (889, 31605), (903, 31115), (1029, 27305), (1505, 18669), (1715, 16383), (1905, 14749), (2107, 13335), (2667, 10535), (4445, 6321), (4515, 6223), (5145, 5461)]