205501617

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{47869}}^1$

素因数の和:47934

約数の個数: 20

約数和(自身を含む): 312782580

約数和(自身を除く): 107280963

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 47869, 143607, 430821, 1292463, 2537057, 3877389, 7611171, 22833513, 68500539, 205501617]

約数ペア:

[(1, 205501617), (3, 68500539), (9, 22833513), (27, 7611171), (53, 3877389), (81, 2537057), (159, 1292463), (477, 430821), (1431, 143607), (4293, 47869)]