66861

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:65

約数の個数: 24

約数和(自身を含む): 112320

約数和(自身を除く): 45459

約数列:

[1, 3, 9, 17, 19, 23, 51, 57, 69, 153, 171, 207, 323, 391, 437, 969, 1173, 1311, 2907, 3519, 3933, 7429, 22287, 66861]

約数ペア:

[(1, 66861), (3, 22287), (9, 7429), (17, 3933), (19, 3519), (23, 2907), (51, 1311), (57, 1173), (69, 969), (153, 437), (171, 391), (207, 323)]