13738221

素因数分解:

$3^3\times 7^1\times {\mathrm{72689}}^1$

素因数の和:72705

約数の個数: 16

約数和(自身を含む): 23260800

約数和(自身を除く): 9522579

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 72689, 218067, 508823, 654201, 1526469, 1962603, 4579407, 13738221]

約数ペア:

[(1, 13738221), (3, 4579407), (7, 1962603), (9, 1526469), (21, 654201), (27, 508823), (63, 218067), (189, 72689)]