648765

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1109}}^1$

素因数の和:1133

約数の個数: 24

約数和(自身を含む): 1212120

約数和(自身を除く): 563355

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 1109, 3327, 5545, 9981, 14417, 16635, 43251, 49905, 72085, 129753, 216255, 648765]

約数ペア:

[(1, 648765), (3, 216255), (5, 129753), (9, 72085), (13, 49905), (15, 43251), (39, 16635), (45, 14417), (65, 9981), (117, 5545), (195, 3327), (585, 1109)]