7680351

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19249}}^1$

素因数の和:19278

約数の個数: 16

約数和(自身を含む): 12320000

約数和(自身を除く): 4639649

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 19249, 57747, 134743, 365731, 404229, 1097193, 2560117, 7680351]

約数ペア:

[(1, 7680351), (3, 2560117), (7, 1097193), (19, 404229), (21, 365731), (57, 134743), (133, 57747), (399, 19249)]