2440009

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:288

約数の個数: 16

約数和(自身を含む): 2911104

約数和(自身を除く): 471095

約数列:

[1, 11, 13, 113, 143, 151, 1243, 1469, 1661, 1963, 16159, 17063, 21593, 187693, 221819, 2440009]

約数ペア:

[(1, 2440009), (11, 221819), (13, 187693), (113, 21593), (143, 17063), (151, 16159), (1243, 1963), (1469, 1661)]