2553111

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 4481568

約数和(自身を除く): 1928457

約数列:

[1, 3, 9, 11, 17, 33, 37, 41, 51, 99, 111, 123, 153, 187, 333, 369, 407, 451, 561, 629, 697, 1221, 1353, 1517, 1683, 1887, 2091, 3663, 4059, 4551, 5661, 6273, 6919, 7667, 13653, 16687, 20757, 23001, 25789, 50061, 62271, 69003, 77367, 150183, 232101, 283679, 851037, 2553111]

約数ペア:

[(1, 2553111), (3, 851037), (9, 283679), (11, 232101), (17, 150183), (33, 77367), (37, 69003), (41, 62271), (51, 50061), (99, 25789), (111, 23001), (123, 20757), (153, 16687), (187, 13653), (333, 7667), (369, 6919), (407, 6273), (451, 5661), (561, 4551), (629, 4059), (697, 3663), (1221, 2091), (1353, 1887), (1517, 1683)]