428222571

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{1907}}^1$

素因数の和:1988

約数の個数: 48

約数和(自身を含む): 712279296

約数和(自身を除く): 284056725

約数列:

[1, 3, 7, 17, 21, 37, 51, 111, 119, 259, 289, 357, 629, 777, 867, 1887, 1907, 2023, 4403, 5721, 6069, 10693, 13209, 13349, 32079, 32419, 40047, 70559, 74851, 97257, 211677, 224553, 226933, 493913, 551123, 680799, 1199503, 1481739, 1653369, 3598509, 3857861, 8396521, 11573583, 20391551, 25189563, 61174653, 142740857, 428222571]

約数ペア:

[(1, 428222571), (3, 142740857), (7, 61174653), (17, 25189563), (21, 20391551), (37, 11573583), (51, 8396521), (111, 3857861), (119, 3598509), (259, 1653369), (289, 1481739), (357, 1199503), (629, 680799), (777, 551123), (867, 493913), (1887, 226933), (1907, 224553), (2023, 211677), (4403, 97257), (5721, 74851), (6069, 70559), (10693, 40047), (13209, 32419), (13349, 32079)]