206535

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{281}}^1$

素因数の和:303

約数の個数: 24

約数和(自身を含む): 385776

約数和(自身を除く): 179241

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 281, 735, 843, 1405, 1967, 4215, 5901, 9835, 13769, 29505, 41307, 68845, 206535]

約数ペア:

[(1, 206535), (3, 68845), (5, 41307), (7, 29505), (15, 13769), (21, 9835), (35, 5901), (49, 4215), (105, 1967), (147, 1405), (245, 843), (281, 735)]