209218575

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{164093}}^1$

素因数の和:164123

約数の個数: 24

約数和(自身を含む): 366257808

約数和(自身を除く): 157039233

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 164093, 492279, 820465, 2461395, 2789581, 4102325, 8368743, 12306975, 13947905, 41843715, 69739525, 209218575]

約数ペア:

[(1, 209218575), (3, 69739525), (5, 41843715), (15, 13947905), (17, 12306975), (25, 8368743), (51, 4102325), (75, 2789581), (85, 2461395), (255, 820465), (425, 492279), (1275, 164093)]