1397431359

素因数分解:

$3^4\times {\mathrm{3929}}^1\times {\mathrm{4391}}^1$

素因数の和:8332

約数の個数: 20

約数和(自身を含む): 2088527760

約数和(自身を除く): 691096401

約数列:

[1, 3, 9, 27, 81, 3929, 4391, 11787, 13173, 35361, 39519, 106083, 118557, 318249, 355671, 17252239, 51756717, 155270151, 465810453, 1397431359]

約数ペア:

[(1, 1397431359), (3, 465810453), (9, 155270151), (27, 51756717), (81, 17252239), (3929, 355671), (4391, 318249), (11787, 118557), (13173, 106083), (35361, 39519)]