26968851

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 51386400

約数和(自身を除く): 24417549

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 149, 153, 169, 221, 273, 357, 447, 507, 663, 819, 1043, 1071, 1183, 1341, 1521, 1547, 1937, 1989, 2533, 2873, 3129, 3549, 4641, 5811, 7599, 8619, 9387, 10647, 13559, 13923, 17433, 17731, 20111, 22797, 25181, 25857, 32929, 40677, 53193, 60333, 75543, 98787, 122031, 159579, 176267, 180999, 226629, 230503, 296361, 428077, 528801, 691509, 1284231, 1586403, 2074527, 2996539, 3852693, 8989617, 26968851]

約数ペア:

[(1, 26968851), (3, 8989617), (7, 3852693), (9, 2996539), (13, 2074527), (17, 1586403), (21, 1284231), (39, 691509), (51, 528801), (63, 428077), (91, 296361), (117, 230503), (119, 226629), (149, 180999), (153, 176267), (169, 159579), (221, 122031), (273, 98787), (357, 75543), (447, 60333), (507, 53193), (663, 40677), (819, 32929), (1043, 25857), (1071, 25181), (1183, 22797), (1341, 20111), (1521, 17731), (1547, 17433), (1937, 13923), (1989, 13559), (2533, 10647), (2873, 9387), (3129, 8619), (3549, 7599), (4641, 5811)]