72800715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21961}}^1$

素因数の和:21999

約数の個数: 32

約数和(自身を含む): 132826176

約数和(自身を除く): 60025461

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 21961, 65883, 109805, 285493, 329415, 373337, 856479, 1120011, 1427465, 1866685, 4282395, 4853381, 5600055, 14560143, 24266905, 72800715]

約数ペア:

[(1, 72800715), (3, 24266905), (5, 14560143), (13, 5600055), (15, 4853381), (17, 4282395), (39, 1866685), (51, 1427465), (65, 1120011), (85, 856479), (195, 373337), (221, 329415), (255, 285493), (663, 109805), (1105, 65883), (3315, 21961)]