68905815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 127844352

約数和(自身を除く): 58938537

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 67, 69, 115, 165, 201, 253, 271, 335, 345, 737, 759, 813, 1005, 1265, 1355, 1541, 2211, 2981, 3685, 3795, 4065, 4623, 6233, 7705, 8943, 11055, 14905, 16951, 18157, 18699, 23115, 31165, 44715, 50853, 54471, 68563, 84755, 90785, 93495, 199727, 205689, 254265, 272355, 342815, 417611, 599181, 998635, 1028445, 1252833, 2088055, 2995905, 4593721, 6264165, 13781163, 22968605, 68905815]

約数ペア:

[(1, 68905815), (3, 22968605), (5, 13781163), (11, 6264165), (15, 4593721), (23, 2995905), (33, 2088055), (55, 1252833), (67, 1028445), (69, 998635), (115, 599181), (165, 417611), (201, 342815), (253, 272355), (271, 254265), (335, 205689), (345, 199727), (737, 93495), (759, 90785), (813, 84755), (1005, 68563), (1265, 54471), (1355, 50853), (1541, 44715), (2211, 31165), (2981, 23115), (3685, 18699), (3795, 18157), (4065, 16951), (4623, 14905), (6233, 11055), (7705, 8943)]