86535519

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{30983}}^1$

素因数の和:31019

約数の個数: 24

約数和(自身を含む): 141287040

約数和(自身を除く): 54751521

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 30983, 92949, 216881, 588677, 650643, 1518167, 1766031, 4120739, 4554501, 12362217, 28845173, 86535519]

約数ペア:

[(1, 86535519), (3, 28845173), (7, 12362217), (19, 4554501), (21, 4120739), (49, 1766031), (57, 1518167), (133, 650643), (147, 588677), (399, 216881), (931, 92949), (2793, 30983)]