213535521

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{51691}}^1$

素因数の和:51723

約数の個数: 24

約数和(自身を含む): 338685984

約数和(自身を除く): 125150463

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 51691, 155073, 465219, 878747, 1395657, 2636241, 4186971, 7908723, 12560913, 23726169, 71178507, 213535521]

約数ペア:

[(1, 213535521), (3, 71178507), (9, 23726169), (17, 12560913), (27, 7908723), (51, 4186971), (81, 2636241), (153, 1395657), (243, 878747), (459, 465219), (1377, 155073), (4131, 51691)]