78892425

素因数分解:

$3^2\times 5^2\times {\mathrm{521}}^1\times {\mathrm{673}}^1$

素因数の和:1210

約数の個数: 36

約数和(自身を含む): 141786684

約数和(自身を除く): 62894259

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 521, 673, 1563, 2019, 2605, 3365, 4689, 6057, 7815, 10095, 13025, 16825, 23445, 30285, 39075, 50475, 117225, 151425, 350633, 1051899, 1753165, 3155697, 5259495, 8765825, 15778485, 26297475, 78892425]

約数ペア:

[(1, 78892425), (3, 26297475), (5, 15778485), (9, 8765825), (15, 5259495), (25, 3155697), (45, 1753165), (75, 1051899), (225, 350633), (521, 151425), (673, 117225), (1563, 50475), (2019, 39075), (2605, 30285), (3365, 23445), (4689, 16825), (6057, 13025), (7815, 10095)]