215330913

素因数分解:

$3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{8971}}^1$

素因数の和:9114

約数の個数: 32

約数和(自身を含む): 367493120

約数和(自身を除く): 152162207

約数列:

[1, 3, 7, 9, 21, 27, 63, 127, 189, 381, 889, 1143, 2667, 3429, 8001, 8971, 24003, 26913, 62797, 80739, 188391, 242217, 565173, 1139317, 1695519, 3417951, 7975219, 10253853, 23925657, 30761559, 71776971, 215330913]

約数ペア:

[(1, 215330913), (3, 71776971), (7, 30761559), (9, 23925657), (21, 10253853), (27, 7975219), (63, 3417951), (127, 1695519), (189, 1139317), (381, 565173), (889, 242217), (1143, 188391), (2667, 80739), (3429, 62797), (8001, 26913), (8971, 24003)]