66886857

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{145723}}^1$

素因数の和:145749

約数の個数: 16

約数和(自身を含む): 104921280

約数和(自身を除く): 38034423

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 145723, 437169, 1311507, 2477291, 3934521, 7431873, 22295619, 66886857]

約数ペア:

[(1, 66886857), (3, 22295619), (9, 7431873), (17, 3934521), (27, 2477291), (51, 1311507), (153, 437169), (459, 145723)]