1300005

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{4127}}^1$

素因数の和:4145

約数の個数: 24

約数和(自身を含む): 2575872

約数和(自身を除く): 1275867

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 4127, 12381, 20635, 28889, 37143, 61905, 86667, 144445, 185715, 260001, 433335, 1300005]

約数ペア:

[(1, 1300005), (3, 433335), (5, 260001), (7, 185715), (9, 144445), (15, 86667), (21, 61905), (35, 37143), (45, 28889), (63, 20635), (105, 12381), (315, 4127)]