131494401

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{72689}}^1$

素因数の和:72765

約数の個数: 16

約数和(自身を含む): 197716800

約数和(自身を除く): 66222399

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 72689, 218067, 654201, 1962603, 4870163, 14610489, 43831467, 131494401]

約数ペア:

[(1, 131494401), (3, 43831467), (9, 14610489), (27, 4870163), (67, 1962603), (201, 654201), (603, 218067), (1809, 72689)]