217645923

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{541}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 323430912

約数和(自身を除く): 105784989

約数列:

[1, 3, 11, 33, 73, 167, 219, 501, 541, 803, 1623, 1837, 2409, 5511, 5951, 12191, 17853, 36573, 39493, 90347, 118479, 134101, 271041, 402303, 434423, 993817, 1303269, 2981451, 6595331, 19785993, 72548641, 217645923]

約数ペア:

[(1, 217645923), (3, 72548641), (11, 19785993), (33, 6595331), (73, 2981451), (167, 1303269), (219, 993817), (501, 434423), (541, 402303), (803, 271041), (1623, 134101), (1837, 118479), (2409, 90347), (5511, 39493), (5951, 36573), (12191, 17853)]