81625159

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{55793}}^1$

素因数の和:55830

約数の個数: 16

約数和(自身を含む): 107124480

約数和(自身を除く): 25499321

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 55793, 390551, 613723, 1060067, 4296061, 7420469, 11660737, 81625159]

約数ペア:

[(1, 81625159), (7, 11660737), (11, 7420469), (19, 4296061), (77, 1060067), (133, 613723), (209, 390551), (1463, 55793)]