64240857

素因数分解:

$3^4\times {\mathrm{863}}^1\times {\mathrm{919}}^1$

素因数の和:1794

約数の個数: 20

約数和(自身を含む): 96180480

約数和(自身を除く): 31939623

約数列:

[1, 3, 9, 27, 81, 863, 919, 2589, 2757, 7767, 8271, 23301, 24813, 69903, 74439, 793097, 2379291, 7137873, 21413619, 64240857]

約数ペア:

[(1, 64240857), (3, 21413619), (9, 7137873), (27, 2379291), (81, 793097), (863, 74439), (919, 69903), (2589, 24813), (2757, 23301), (7767, 8271)]