213663219

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{1931}}^1$

素因数の和:2431

約数の個数: 32

約数和(自身を含む): 356106240

約数和(自身を除く): 142443021

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 479, 1437, 1931, 3353, 5269, 5793, 10059, 13517, 15807, 21241, 36883, 40551, 63723, 110649, 148687, 446061, 924949, 2774847, 6474643, 10174439, 19423929, 30523317, 71221073, 213663219]

約数ペア:

[(1, 213663219), (3, 71221073), (7, 30523317), (11, 19423929), (21, 10174439), (33, 6474643), (77, 2774847), (231, 924949), (479, 446061), (1437, 148687), (1931, 110649), (3353, 63723), (5269, 40551), (5793, 36883), (10059, 21241), (13517, 15807)]