67661209

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:338

約数の個数: 32

約数和(自身を含む): 87552000

約数和(自身を除く): 19890791

約数列:

[1, 7, 11, 49, 77, 79, 227, 343, 539, 553, 869, 1589, 2497, 3773, 3871, 6083, 11123, 17479, 17933, 27097, 42581, 77861, 122353, 125531, 197263, 298067, 856471, 878717, 1380841, 6151019, 9665887, 67661209]

約数ペア:

[(1, 67661209), (7, 9665887), (11, 6151019), (49, 1380841), (77, 878717), (79, 856471), (227, 298067), (343, 197263), (539, 125531), (553, 122353), (869, 77861), (1589, 42581), (2497, 27097), (3773, 17933), (3871, 17479), (6083, 11123)]