207966561

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{659}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 309450240

約数和(自身を除く): 101483679

約数列:

[1, 3, 11, 33, 73, 131, 219, 393, 659, 803, 1441, 1977, 2409, 4323, 7249, 9563, 21747, 28689, 48107, 86329, 105193, 144321, 258987, 315579, 529177, 949619, 1587531, 2848857, 6302017, 18906051, 69322187, 207966561]

約数ペア:

[(1, 207966561), (3, 69322187), (11, 18906051), (33, 6302017), (73, 2848857), (131, 1587531), (219, 949619), (393, 529177), (659, 315579), (803, 258987), (1441, 144321), (1977, 105193), (2409, 86329), (4323, 48107), (7249, 28689), (9563, 21747)]