31488255

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16273}}^1$

素因数の和:16327

約数の個数: 24

約数和(自身を含む): 55852368

約数和(自身を除く): 24364113

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 16273, 48819, 81365, 146457, 244095, 699739, 732285, 2099217, 3498695, 6297651, 10496085, 31488255]

約数ペア:

[(1, 31488255), (3, 10496085), (5, 6297651), (9, 3498695), (15, 2099217), (43, 732285), (45, 699739), (129, 244095), (215, 146457), (387, 81365), (645, 48819), (1935, 16273)]