81142139

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:567

約数の個数: 24

約数和(自身を含む): 94761792

約数和(自身を除く): 13619653

約数列:

[1, 13, 17, 61, 169, 221, 463, 793, 1037, 2873, 6019, 7871, 10309, 13481, 28243, 78247, 102323, 175253, 367159, 480131, 1330199, 4773067, 6241703, 81142139]

約数ペア:

[(1, 81142139), (13, 6241703), (17, 4773067), (61, 1330199), (169, 480131), (221, 367159), (463, 175253), (793, 102323), (1037, 78247), (2873, 28243), (6019, 13481), (7871, 10309)]