13509909

素因数分解:

$3^4\times 7^1\times {\mathrm{23827}}^1$

素因数の和:23846

約数の個数: 20

約数和(自身を含む): 23065504

約数和(自身を除く): 9555595

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 23827, 71481, 166789, 214443, 500367, 643329, 1501101, 1929987, 4503303, 13509909]

約数ペア:

[(1, 13509909), (3, 4503303), (7, 1929987), (9, 1501101), (21, 643329), (27, 500367), (63, 214443), (81, 166789), (189, 71481), (567, 23827)]