204057

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:133

約数の個数: 24

約数和(自身を含む): 349440

約数和(自身を除く): 145383

約数列:

[1, 3, 7, 9, 21, 41, 63, 79, 123, 237, 287, 369, 553, 711, 861, 1659, 2583, 3239, 4977, 9717, 22673, 29151, 68019, 204057]

約数ペア:

[(1, 204057), (3, 68019), (7, 29151), (9, 22673), (21, 9717), (41, 4977), (63, 3239), (79, 2583), (123, 1659), (237, 861), (287, 711), (369, 553)]