81411645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{775349}}^1$

素因数の和:775364

約数の個数: 16

約数和(自身を含む): 148867200

約数和(自身を除く): 67455555

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 775349, 2326047, 3876745, 5427443, 11630235, 16282329, 27137215, 81411645]

約数ペア:

[(1, 81411645), (3, 27137215), (5, 16282329), (7, 11630235), (15, 5427443), (21, 3876745), (35, 2326047), (105, 775349)]