78864021

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{7027}}^1$

素因数の和:7105

約数の個数: 24

約数和(自身を含む): 120600480

約数和(自身を除く): 41736459

約数列:

[1, 3, 9, 29, 43, 87, 129, 261, 387, 1247, 3741, 7027, 11223, 21081, 63243, 203783, 302161, 611349, 906483, 1834047, 2719449, 8762669, 26288007, 78864021]

約数ペア:

[(1, 78864021), (3, 26288007), (9, 8762669), (29, 2719449), (43, 1834047), (87, 906483), (129, 611349), (261, 302161), (387, 203783), (1247, 63243), (3741, 21081), (7027, 11223)]