11721705

素因数分解:

$3^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{887}}^1$

素因数の和:1776

約数の個数: 16

約数和(自身を含む): 18797184

約数和(自身を除く): 7075479

約数列:

[1, 3, 5, 15, 881, 887, 2643, 2661, 4405, 4435, 13215, 13305, 781447, 2344341, 3907235, 11721705]

約数ペア:

[(1, 11721705), (3, 3907235), (5, 2344341), (15, 781447), (881, 13305), (887, 13215), (2643, 4435), (2661, 4405)]