86947119

素因数分解:

$3^2\times 7^2\times {\mathrm{197159}}^1$

素因数の和:197179

約数の個数: 18

約数和(自身を含む): 146095560

約数和(自身を除く): 59148441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 197159, 591477, 1380113, 1774431, 4140339, 9660791, 12421017, 28982373, 86947119]

約数ペア:

[(1, 86947119), (3, 28982373), (7, 12421017), (9, 9660791), (21, 4140339), (49, 1774431), (63, 1380113), (147, 591477), (441, 197159)]