7855113

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19687}}^1$

素因数の和:19716

約数の個数: 16

約数和(自身を含む): 12600320

約数和(自身を除く): 4745207

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 19687, 59061, 137809, 374053, 413427, 1122159, 2618371, 7855113]

約数ペア:

[(1, 7855113), (3, 2618371), (7, 1122159), (19, 413427), (21, 374053), (57, 137809), (133, 59061), (399, 19687)]