28263543

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{227}}^1$

素因数の和:273

約数の個数: 48

約数和(自身を含む): 48518400

約数和(自身を除く): 20254857

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 121, 147, 227, 231, 343, 363, 539, 681, 847, 1029, 1589, 1617, 2497, 2541, 3773, 4767, 5929, 7491, 11123, 11319, 17479, 17787, 27467, 33369, 41503, 52437, 77861, 82401, 122353, 124509, 192269, 233583, 367059, 576807, 856471, 1345883, 2569413, 4037649, 9421181, 28263543]

約数ペア:

[(1, 28263543), (3, 9421181), (7, 4037649), (11, 2569413), (21, 1345883), (33, 856471), (49, 576807), (77, 367059), (121, 233583), (147, 192269), (227, 124509), (231, 122353), (343, 82401), (363, 77861), (539, 52437), (681, 41503), (847, 33369), (1029, 27467), (1589, 17787), (1617, 17479), (2497, 11319), (2541, 11123), (3773, 7491), (4767, 5929)]