260505

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{827}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 516672

約数和(自身を除く): 256167

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 827, 2481, 4135, 5789, 7443, 12405, 17367, 28945, 37215, 52101, 86835, 260505]

約数ペア:

[(1, 260505), (3, 86835), (5, 52101), (7, 37215), (9, 28945), (15, 17367), (21, 12405), (35, 7443), (45, 5789), (63, 4135), (105, 2481), (315, 827)]