220171413

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{6857}}^1$

素因数の和:7017

約数の個数: 32

約数和(自身を含む): 368686080

約数和(自身を除く): 148514667

約数列:

[1, 3, 7, 11, 21, 33, 77, 139, 231, 417, 973, 1529, 2919, 4587, 6857, 10703, 20571, 32109, 47999, 75427, 143997, 226281, 527989, 953123, 1583967, 2859369, 6671861, 10484353, 20015583, 31453059, 73390471, 220171413]

約数ペア:

[(1, 220171413), (3, 73390471), (7, 31453059), (11, 20015583), (21, 10484353), (33, 6671861), (77, 2859369), (139, 1583967), (231, 953123), (417, 527989), (973, 226281), (1529, 143997), (2919, 75427), (4587, 47999), (6857, 32109), (10703, 20571)]