191697891

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{2029}}^1$

素因数の和:2459

約数の個数: 32

約数和(自身を含む): 319603200

約数和(自身を除く): 127905309

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 409, 1227, 2029, 2863, 4499, 6087, 8589, 13497, 14203, 22319, 31493, 42609, 66957, 94479, 156233, 468699, 829861, 2489583, 5809027, 9128471, 17427081, 27385413, 63899297, 191697891]

約数ペア:

[(1, 191697891), (3, 63899297), (7, 27385413), (11, 17427081), (21, 9128471), (33, 5809027), (77, 2489583), (231, 829861), (409, 468699), (1227, 156233), (2029, 94479), (2863, 66957), (4499, 42609), (6087, 31493), (8589, 22319), (13497, 14203)]