205942725

素因数分解:

$3^2\times 5^2\times {\mathrm{915301}}^1$

素因数の和:915317

約数の個数: 18

約数和(自身を含む): 368866706

約数和(自身を除く): 162923981

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 915301, 2745903, 4576505, 8237709, 13729515, 22882525, 41188545, 68647575, 205942725]

約数ペア:

[(1, 205942725), (3, 68647575), (5, 41188545), (9, 22882525), (15, 13729515), (25, 8237709), (45, 4576505), (75, 2745903), (225, 915301)]