27663237

素因数分解:

$3^2\times 7^1\times {\mathrm{571}}^1\times {\mathrm{769}}^1$

素因数の和:1353

約数の個数: 24

約数和(自身を含む): 45805760

約数和(自身を除く): 18142523

約数列:

[1, 3, 7, 9, 21, 63, 571, 769, 1713, 2307, 3997, 5139, 5383, 6921, 11991, 16149, 35973, 48447, 439099, 1317297, 3073693, 3951891, 9221079, 27663237]

約数ペア:

[(1, 27663237), (3, 9221079), (7, 3951891), (9, 3073693), (21, 1317297), (63, 439099), (571, 48447), (769, 35973), (1713, 16149), (2307, 11991), (3997, 6921), (5139, 5383)]