12980847

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{12689}}^1$

素因数の和:12734

約数の個数: 16

約数和(自身を含む): 19491840

約数和(自身を除く): 6510993

約数列:

[1, 3, 11, 31, 33, 93, 341, 1023, 12689, 38067, 139579, 393359, 418737, 1180077, 4326949, 12980847]

約数ペア:

[(1, 12980847), (3, 4326949), (11, 1180077), (31, 418737), (33, 393359), (93, 139579), (341, 38067), (1023, 12689)]