23195781

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 42024960

約数和(自身を除く): 18829179

約数列:

[1, 3, 7, 9, 21, 27, 31, 37, 63, 93, 107, 111, 189, 217, 259, 279, 321, 333, 651, 749, 777, 837, 963, 999, 1147, 1953, 2247, 2331, 2889, 3317, 3441, 3959, 5859, 6741, 6993, 8029, 9951, 10323, 11877, 20223, 23219, 24087, 27713, 29853, 30969, 35631, 69657, 72261, 83139, 89559, 106893, 122729, 208971, 216783, 249417, 368187, 626913, 748251, 859103, 1104561, 2577309, 3313683, 7731927, 23195781]

約数ペア:

[(1, 23195781), (3, 7731927), (7, 3313683), (9, 2577309), (21, 1104561), (27, 859103), (31, 748251), (37, 626913), (63, 368187), (93, 249417), (107, 216783), (111, 208971), (189, 122729), (217, 106893), (259, 89559), (279, 83139), (321, 72261), (333, 69657), (651, 35631), (749, 30969), (777, 29853), (837, 27713), (963, 24087), (999, 23219), (1147, 20223), (1953, 11877), (2247, 10323), (2331, 9951), (2889, 8029), (3317, 6993), (3441, 6741), (3959, 5859)]