12865809

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 36

約数和(自身を含む): 20005328

約数和(自身を除く): 7139519

約数列:

[1, 3, 11, 23, 33, 67, 69, 121, 201, 253, 363, 529, 737, 759, 1541, 1587, 2211, 2783, 4623, 5819, 8107, 8349, 16951, 17457, 24321, 35443, 50853, 64009, 106329, 186461, 192027, 389873, 559383, 1169619, 4288603, 12865809]

約数ペア:

[(1, 12865809), (3, 4288603), (11, 1169619), (23, 559383), (33, 389873), (67, 192027), (69, 186461), (121, 106329), (201, 64009), (253, 50853), (363, 35443), (529, 24321), (737, 17457), (759, 16951), (1541, 8349), (1587, 8107), (2211, 5819), (2783, 4623)]