19851225

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{9127}}^1$

素因数の和:9169

約数の個数: 24

約数和(自身を含む): 33956160

約数和(自身を除く): 14104935

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 9127, 27381, 45635, 136905, 228175, 264683, 684525, 794049, 1323415, 3970245, 6617075, 19851225]

約数ペア:

[(1, 19851225), (3, 6617075), (5, 3970245), (15, 1323415), (25, 794049), (29, 684525), (75, 264683), (87, 228175), (145, 136905), (435, 45635), (725, 27381), (2175, 9127)]