68217429

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{170971}}^1$

素因数の和:171000

約数の個数: 16

約数和(自身を含む): 109422080

約数和(自身を除く): 41204651

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 170971, 512913, 1196797, 3248449, 3590391, 9745347, 22739143, 68217429]

約数ペア:

[(1, 68217429), (3, 22739143), (7, 9745347), (19, 3590391), (21, 3248449), (57, 1196797), (133, 512913), (399, 170971)]