13557537

素因数分解:

$3^4\times 7^1\times {\mathrm{23911}}^1$

素因数の和:23930

約数の個数: 20

約数和(自身を含む): 23146816

約数和(自身を除く): 9589279

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 23911, 71733, 167377, 215199, 502131, 645597, 1506393, 1936791, 4519179, 13557537]

約数ペア:

[(1, 13557537), (3, 4519179), (7, 1936791), (9, 1506393), (21, 645597), (27, 502131), (63, 215199), (81, 167377), (189, 71733), (567, 23911)]