9860221

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:146

約数の個数: 32

約数和(自身を含む): 12960000

約数和(自身を除く): 3099779

約数列:

[1, 7, 17, 19, 49, 89, 119, 133, 323, 343, 623, 833, 931, 1513, 1691, 2261, 4361, 5831, 6517, 10591, 11837, 15827, 28747, 30527, 74137, 82859, 110789, 201229, 518959, 580013, 1408603, 9860221]

約数ペア:

[(1, 9860221), (7, 1408603), (17, 580013), (19, 518959), (49, 201229), (89, 110789), (119, 82859), (133, 74137), (323, 30527), (343, 28747), (623, 15827), (833, 11837), (931, 10591), (1513, 6517), (1691, 5831), (2261, 4361)]