9987789

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 16333056

約数和(自身を除く): 6345267

約数列:

[1, 3, 7, 17, 21, 51, 101, 119, 277, 303, 357, 707, 831, 1717, 1939, 2121, 4709, 5151, 5817, 12019, 14127, 27977, 32963, 36057, 83931, 98889, 195839, 475609, 587517, 1426827, 3329263, 9987789]

約数ペア:

[(1, 9987789), (3, 3329263), (7, 1426827), (17, 587517), (21, 475609), (51, 195839), (101, 98889), (119, 83931), (277, 36057), (303, 32963), (357, 27977), (707, 14127), (831, 12019), (1717, 5817), (1939, 5151), (2121, 4709)]