81549951

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{22447}}^1$

素因数の和:22630

約数の個数: 16

約数和(自身を含む): 124990464

約数和(自身を除く): 43440513

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 22447, 67341, 157129, 471387, 3883331, 11649993, 27183317, 81549951]

約数ペア:

[(1, 81549951), (3, 27183317), (7, 11649993), (21, 3883331), (173, 471387), (519, 157129), (1211, 67341), (3633, 22447)]