7871121

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{7879}}^1$

素因数の和:7925

約数の個数: 16

約数和(自身を含む): 11977600

約数和(自身を除く): 4106479

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 7879, 23637, 70911, 212733, 291523, 874569, 2623707, 7871121]

約数ペア:

[(1, 7871121), (3, 2623707), (9, 874569), (27, 291523), (37, 212733), (111, 70911), (333, 23637), (999, 7879)]