2197686813

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{177677}}^1$

素因数の和:177737

約数の個数: 32

約数和(自身を含む): 3638845440

約数和(自身を除く): 1441158627

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1767, 4123, 12369, 177677, 533031, 1243739, 3375863, 3731217, 5507987, 10127589, 16523961, 23631041, 38555909, 70893123, 104651753, 115667727, 313955259, 732562271, 2197686813]

約数ペア:

[(1, 2197686813), (3, 732562271), (7, 313955259), (19, 115667727), (21, 104651753), (31, 70893123), (57, 38555909), (93, 23631041), (133, 16523961), (217, 10127589), (399, 5507987), (589, 3731217), (651, 3375863), (1767, 1243739), (4123, 533031), (12369, 177677)]