173556873

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 309868416

約数和(自身を除く): 136311543

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 71, 147, 161, 207, 213, 241, 441, 483, 497, 639, 723, 1127, 1449, 1491, 1633, 1687, 2169, 3381, 3479, 4473, 4899, 5061, 5543, 10143, 10437, 11431, 11809, 14697, 15183, 16629, 17111, 31311, 34293, 35427, 38801, 49887, 51333, 80017, 102879, 106281, 116403, 119777, 153999, 240051, 271607, 349209, 359331, 393553, 720153, 814821, 838439, 1077993, 1180659, 2444463, 2515317, 2754871, 3541977, 7545951, 8264613, 19284097, 24793839, 57852291, 173556873]

約数ペア:

[(1, 173556873), (3, 57852291), (7, 24793839), (9, 19284097), (21, 8264613), (23, 7545951), (49, 3541977), (63, 2754871), (69, 2515317), (71, 2444463), (147, 1180659), (161, 1077993), (207, 838439), (213, 814821), (241, 720153), (441, 393553), (483, 359331), (497, 349209), (639, 271607), (723, 240051), (1127, 153999), (1449, 119777), (1491, 116403), (1633, 106281), (1687, 102879), (2169, 80017), (3381, 51333), (3479, 49887), (4473, 38801), (4899, 35427), (5061, 34293), (5543, 31311), (10143, 17111), (10437, 16629), (11431, 15183), (11809, 14697)]