8158215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 15676416

約数和(自身を除く): 7518201

約数列:

[1, 3, 5, 13, 15, 17, 23, 39, 51, 65, 69, 85, 107, 115, 195, 221, 255, 299, 321, 345, 391, 535, 663, 897, 1105, 1173, 1391, 1495, 1605, 1819, 1955, 2461, 3315, 4173, 4485, 5083, 5457, 5865, 6955, 7383, 9095, 12305, 15249, 20865, 23647, 25415, 27285, 31993, 36915, 41837, 70941, 76245, 95979, 118235, 125511, 159965, 209185, 354705, 479895, 543881, 627555, 1631643, 2719405, 8158215]

約数ペア:

[(1, 8158215), (3, 2719405), (5, 1631643), (13, 627555), (15, 543881), (17, 479895), (23, 354705), (39, 209185), (51, 159965), (65, 125511), (69, 118235), (85, 95979), (107, 76245), (115, 70941), (195, 41837), (221, 36915), (255, 31993), (299, 27285), (321, 25415), (345, 23647), (391, 20865), (535, 15249), (663, 12305), (897, 9095), (1105, 7383), (1173, 6955), (1391, 5865), (1495, 5457), (1605, 5083), (1819, 4485), (1955, 4173), (2461, 3315)]