13400289

素因数分解:

$3^3\times 7^1\times {\mathrm{70901}}^1$

素因数の和:70917

約数の個数: 16

約数和(自身を含む): 22688640

約数和(自身を除く): 9288351

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 70901, 212703, 496307, 638109, 1488921, 1914327, 4466763, 13400289]

約数ペア:

[(1, 13400289), (3, 4466763), (7, 1914327), (9, 1488921), (21, 638109), (27, 496307), (63, 212703), (189, 70901)]