42667521

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 65479680

約数和(自身を除く): 22812159

約数列:

[1, 3, 13, 19, 39, 57, 71, 213, 247, 741, 811, 923, 1349, 2433, 2769, 4047, 10543, 15409, 17537, 31629, 46227, 52611, 57581, 172743, 200317, 600951, 748553, 1094039, 2245659, 3282117, 14222507, 42667521]

約数ペア:

[(1, 42667521), (3, 14222507), (13, 3282117), (19, 2245659), (39, 1094039), (57, 748553), (71, 600951), (213, 200317), (247, 172743), (741, 57581), (811, 52611), (923, 46227), (1349, 31629), (2433, 17537), (2769, 15409), (4047, 10543)]