56990493

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 101744640

約数和(自身を除く): 44754147

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 71, 93, 137, 189, 213, 217, 279, 411, 497, 639, 651, 837, 959, 1233, 1491, 1917, 1953, 2201, 2877, 3699, 4247, 4473, 5859, 6603, 8631, 9727, 12741, 13419, 15407, 19809, 25893, 29181, 29729, 38223, 46221, 59427, 68089, 87543, 89187, 114669, 138663, 204267, 262629, 267561, 301537, 415989, 612801, 802683, 904611, 1838403, 2110759, 2713833, 6332277, 8141499, 18996831, 56990493]

約数ペア:

[(1, 56990493), (3, 18996831), (7, 8141499), (9, 6332277), (21, 2713833), (27, 2110759), (31, 1838403), (63, 904611), (71, 802683), (93, 612801), (137, 415989), (189, 301537), (213, 267561), (217, 262629), (279, 204267), (411, 138663), (497, 114669), (639, 89187), (651, 87543), (837, 68089), (959, 59427), (1233, 46221), (1491, 38223), (1917, 29729), (1953, 29181), (2201, 25893), (2877, 19809), (3699, 15407), (4247, 13419), (4473, 12741), (5859, 9727), (6603, 8631)]