42399891

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{811}}^1$

素因数の和:1011

約数の個数: 24

約数和(自身を含む): 63378224

約数和(自身を除く): 20978333

約数列:

[1, 3, 9, 37, 111, 157, 333, 471, 811, 1413, 2433, 5809, 7299, 17427, 30007, 52281, 90021, 127327, 270063, 381981, 1145943, 4711099, 14133297, 42399891]

約数ペア:

[(1, 42399891), (3, 14133297), (9, 4711099), (37, 1145943), (111, 381981), (157, 270063), (333, 127327), (471, 90021), (811, 52281), (1413, 30007), (2433, 17427), (5809, 7299)]