13426009611

素因数分解:

$3^1\times 7^1\times {\mathrm{639333791}}^1$

素因数の和:639333801

約数の個数: 8

約数和(自身を含む): 20458681344

約数和(自身を除く): 7032671733

約数列:

[1, 3, 7, 21, 639333791, 1918001373, 4475336537, 13426009611]

約数ペア:

[(1, 13426009611), (3, 4475336537), (7, 1918001373), (21, 639333791)]