281097873

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{15439}}^1$

素因数の和:15486

約数の個数: 36

約数和(自身を含む): 492968320

約数和(自身を除く): 211870447

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 289, 357, 867, 1071, 2023, 2601, 6069, 15439, 18207, 46317, 108073, 138951, 262463, 324219, 787389, 972657, 1837241, 2362167, 4461871, 5511723, 13385613, 16535169, 31233097, 40156839, 93699291, 281097873]

約数ペア:

[(1, 281097873), (3, 93699291), (7, 40156839), (9, 31233097), (17, 16535169), (21, 13385613), (51, 5511723), (63, 4461871), (119, 2362167), (153, 1837241), (289, 972657), (357, 787389), (867, 324219), (1071, 262463), (2023, 138951), (2601, 108073), (6069, 46317), (15439, 18207)]