121540257

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{65239}}^1$

素因数の和:65274

約数の個数: 20

約数和(自身を含む): 189456960

約数和(自身を除く): 67916703

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 65239, 195717, 587151, 1500497, 1761453, 4501491, 5284359, 13504473, 40513419, 121540257]

約数ペア:

[(1, 121540257), (3, 40513419), (9, 13504473), (23, 5284359), (27, 4501491), (69, 1761453), (81, 1500497), (207, 587151), (621, 195717), (1863, 65239)]