81687564

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8761}}^1$

素因数の和:8815

約数の個数: 72

約数和(自身を含む): 242391968

約数和(自身を除く): 160704404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 74, 84, 111, 126, 148, 222, 252, 259, 333, 444, 518, 666, 777, 1036, 1332, 1554, 2331, 3108, 4662, 8761, 9324, 17522, 26283, 35044, 52566, 61327, 78849, 105132, 122654, 157698, 183981, 245308, 315396, 324157, 367962, 551943, 648314, 735924, 972471, 1103886, 1296628, 1944942, 2207772, 2269099, 2917413, 3889884, 4538198, 5834826, 6807297, 9076396, 11669652, 13614594, 20421891, 27229188, 40843782, 81687564]

約数ペア:

[(1, 81687564), (2, 40843782), (3, 27229188), (4, 20421891), (6, 13614594), (7, 11669652), (9, 9076396), (12, 6807297), (14, 5834826), (18, 4538198), (21, 3889884), (28, 2917413), (36, 2269099), (37, 2207772), (42, 1944942), (63, 1296628), (74, 1103886), (84, 972471), (111, 735924), (126, 648314), (148, 551943), (222, 367962), (252, 324157), (259, 315396), (333, 245308), (444, 183981), (518, 157698), (666, 122654), (777, 105132), (1036, 78849), (1332, 61327), (1554, 52566), (2331, 35044), (3108, 26283), (4662, 17522), (8761, 9324)]