63877005

素因数分解:

$3^4\times 5^1\times {\mathrm{157721}}^1$

素因数の和:157738

約数の個数: 20

約数和(自身を含む): 114506172

約数和(自身を除く): 50629167

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 157721, 473163, 788605, 1419489, 2365815, 4258467, 7097445, 12775401, 21292335, 63877005]

約数ペア:

[(1, 63877005), (3, 21292335), (5, 12775401), (9, 7097445), (15, 4258467), (27, 2365815), (45, 1419489), (81, 788605), (135, 473163), (405, 157721)]