851180589

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{463}}^1$

素因数の和:687

約数の個数: 64

約数和(自身を含む): 1475297280

約数和(自身を除く): 624116691

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 137, 189, 213, 411, 463, 497, 639, 959, 1233, 1389, 1491, 1917, 2877, 3241, 3699, 4167, 4473, 8631, 9723, 9727, 12501, 13419, 25893, 29169, 29181, 32873, 63431, 68089, 87507, 87543, 98619, 190293, 204267, 230111, 262629, 295857, 444017, 570879, 612801, 690333, 887571, 1332051, 1712637, 1838403, 2070999, 3996153, 4503601, 6212997, 11988459, 13510803, 31525207, 40532409, 94575621, 121597227, 283726863, 851180589]

約数ペア:

[(1, 851180589), (3, 283726863), (7, 121597227), (9, 94575621), (21, 40532409), (27, 31525207), (63, 13510803), (71, 11988459), (137, 6212997), (189, 4503601), (213, 3996153), (411, 2070999), (463, 1838403), (497, 1712637), (639, 1332051), (959, 887571), (1233, 690333), (1389, 612801), (1491, 570879), (1917, 444017), (2877, 295857), (3241, 262629), (3699, 230111), (4167, 204267), (4473, 190293), (8631, 98619), (9723, 87543), (9727, 87507), (12501, 68089), (13419, 63431), (25893, 32873), (29169, 29181)]