251564769

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{2129}}^1$

素因数の和:2845

約数の個数: 24

約数和(自身を含む): 383229600

約数和(自身を除く): 131664831

約数列:

[1, 3, 9, 19, 57, 171, 691, 2073, 2129, 6219, 6387, 13129, 19161, 39387, 40451, 118161, 121353, 364059, 1471139, 4413417, 13240251, 27951641, 83854923, 251564769]

約数ペア:

[(1, 251564769), (3, 83854923), (9, 27951641), (19, 13240251), (57, 4413417), (171, 1471139), (691, 364059), (2073, 121353), (2129, 118161), (6219, 40451), (6387, 39387), (13129, 19161)]