28456623

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 22346577

約数列:

[1, 3, 9, 13, 17, 19, 27, 39, 51, 57, 117, 153, 171, 221, 247, 251, 323, 351, 459, 513, 663, 741, 753, 969, 1989, 2223, 2259, 2907, 3263, 4199, 4267, 4769, 5967, 6669, 6777, 8721, 9789, 12597, 12801, 14307, 29367, 37791, 38403, 42921, 55471, 61997, 81073, 88101, 113373, 115209, 128763, 166413, 185991, 243219, 499239, 557973, 729657, 1053949, 1497717, 1673919, 2188971, 3161847, 9485541, 28456623]

約数ペア:

[(1, 28456623), (3, 9485541), (9, 3161847), (13, 2188971), (17, 1673919), (19, 1497717), (27, 1053949), (39, 729657), (51, 557973), (57, 499239), (117, 243219), (153, 185991), (171, 166413), (221, 128763), (247, 115209), (251, 113373), (323, 88101), (351, 81073), (459, 61997), (513, 55471), (663, 42921), (741, 38403), (753, 37791), (969, 29367), (1989, 14307), (2223, 12801), (2259, 12597), (2907, 9789), (3263, 8721), (4199, 6777), (4267, 6669), (4769, 5967)]