206865141

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{1181}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 332851200

約数和(自身を除く): 125986059

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 439, 1181, 1317, 3073, 3543, 8267, 8341, 9219, 22439, 24801, 25023, 58387, 67317, 157073, 175161, 471219, 518459, 1555377, 3629213, 9850721, 10887639, 29552163, 68955047, 206865141]

約数ペア:

[(1, 206865141), (3, 68955047), (7, 29552163), (19, 10887639), (21, 9850721), (57, 3629213), (133, 1555377), (399, 518459), (439, 471219), (1181, 175161), (1317, 157073), (3073, 67317), (3543, 58387), (8267, 25023), (8341, 24801), (9219, 22439)]