2016993321

素因数分解:

$3^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{17659}}^1$

素因数の和:17723

約数の個数: 48

約数和(自身を含む): 3489616000

約数和(自身を除く): 1472622679

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 343, 441, 777, 1029, 1813, 2331, 3087, 5439, 12691, 16317, 17659, 38073, 52977, 114219, 123613, 158931, 370839, 653383, 865291, 1112517, 1960149, 2595873, 4573681, 5880447, 6057037, 7787619, 13721043, 18171111, 32015767, 41163129, 54513333, 96047301, 224110369, 288141903, 672331107, 2016993321]

約数ペア:

[(1, 2016993321), (3, 672331107), (7, 288141903), (9, 224110369), (21, 96047301), (37, 54513333), (49, 41163129), (63, 32015767), (111, 18171111), (147, 13721043), (259, 7787619), (333, 6057037), (343, 5880447), (441, 4573681), (777, 2595873), (1029, 1960149), (1813, 1112517), (2331, 865291), (3087, 653383), (5439, 370839), (12691, 158931), (16317, 123613), (17659, 114219), (38073, 52977)]