78328971

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 141926400

約数和(自身を除く): 63597429

約数列:

[1, 3, 7, 9, 21, 27, 29, 31, 63, 87, 93, 189, 203, 217, 261, 279, 461, 609, 651, 783, 837, 899, 1383, 1827, 1953, 2697, 3227, 4149, 5481, 5859, 6293, 8091, 9681, 12447, 13369, 14291, 18879, 24273, 29043, 40107, 42873, 56637, 87129, 93583, 100037, 120321, 128619, 169911, 280749, 300111, 360963, 385857, 414439, 842247, 900333, 1243317, 2526741, 2700999, 2901073, 3729951, 8703219, 11189853, 26109657, 78328971]

約数ペア:

[(1, 78328971), (3, 26109657), (7, 11189853), (9, 8703219), (21, 3729951), (27, 2901073), (29, 2700999), (31, 2526741), (63, 1243317), (87, 900333), (93, 842247), (189, 414439), (203, 385857), (217, 360963), (261, 300111), (279, 280749), (461, 169911), (609, 128619), (651, 120321), (783, 100037), (837, 93583), (899, 87129), (1383, 56637), (1827, 42873), (1953, 40107), (2697, 29043), (3227, 24273), (4149, 18879), (5481, 14291), (5859, 13369), (6293, 12447), (8091, 9681)]