23555421

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 64

約数和(自身を含む): 40492800

約数和(自身を除く): 16937379

約数列:

[1, 3, 9, 17, 19, 27, 37, 51, 57, 73, 111, 153, 171, 219, 323, 333, 459, 513, 629, 657, 703, 969, 999, 1241, 1387, 1887, 1971, 2109, 2701, 2907, 3723, 4161, 5661, 6327, 8103, 8721, 11169, 11951, 12483, 16983, 18981, 23579, 24309, 33507, 35853, 37449, 45917, 51319, 70737, 72927, 107559, 137751, 153957, 212211, 322677, 413253, 461871, 636633, 872423, 1239759, 1385613, 2617269, 7851807, 23555421]

約数ペア:

[(1, 23555421), (3, 7851807), (9, 2617269), (17, 1385613), (19, 1239759), (27, 872423), (37, 636633), (51, 461871), (57, 413253), (73, 322677), (111, 212211), (153, 153957), (171, 137751), (219, 107559), (323, 72927), (333, 70737), (459, 51319), (513, 45917), (629, 37449), (657, 35853), (703, 33507), (969, 24309), (999, 23579), (1241, 18981), (1387, 16983), (1887, 12483), (1971, 11951), (2109, 11169), (2701, 8721), (2907, 8103), (3723, 6327), (4161, 5661)]