42155967

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 65981952

約数和(自身を除く): 23825985

約数列:

[1, 3, 7, 21, 73, 107, 219, 257, 321, 511, 749, 771, 1533, 1799, 2247, 5397, 7811, 18761, 23433, 27499, 54677, 56283, 82497, 131327, 164031, 192493, 393981, 577479, 2007427, 6022281, 14051989, 42155967]

約数ペア:

[(1, 42155967), (3, 14051989), (7, 6022281), (21, 2007427), (73, 577479), (107, 393981), (219, 192493), (257, 164031), (321, 131327), (511, 82497), (749, 56283), (771, 54677), (1533, 27499), (1799, 23433), (2247, 18761), (5397, 7811)]