12972477

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19927}}^1$

素因数の和:19968

約数の個数: 16

約数和(自身を含む): 20406272

約数和(自身を除く): 7433795

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 19927, 59781, 139489, 418467, 617737, 1853211, 4324159, 12972477]

約数ペア:

[(1, 12972477), (3, 4324159), (7, 1853211), (21, 617737), (31, 418467), (93, 139489), (217, 59781), (651, 19927)]