768804939

素因数分解:

$3^4\times 7^1\times {\mathrm{1355917}}^1$

素因数の和:1355936

約数の個数: 20

約数和(自身を含む): 1312528624

約数和(自身を除く): 543723685

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1355917, 4067751, 9491419, 12203253, 28474257, 36609759, 85422771, 109829277, 256268313, 768804939]

約数ペア:

[(1, 768804939), (3, 256268313), (7, 109829277), (9, 85422771), (21, 36609759), (27, 28474257), (63, 12203253), (81, 9491419), (189, 4067751), (567, 1355917)]