217445547

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{140197}}^1$

素因数の和:140258

約数の個数: 16

約数和(自身を含む): 323016192

約数和(自身を除く): 105570645

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 140197, 420591, 1542167, 4626501, 6589259, 19767777, 72481849, 217445547]

約数ペア:

[(1, 217445547), (3, 72481849), (11, 19767777), (33, 6589259), (47, 4626501), (141, 1542167), (517, 420591), (1551, 140197)]