81354885

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{691}}^1$

素因数の和:913

約数の個数: 32

約数和(自身を含む): 133926912

約数和(自身を除く): 52572027

約数列:

[1, 3, 5, 15, 47, 141, 167, 235, 501, 691, 705, 835, 2073, 2505, 3455, 7849, 10365, 23547, 32477, 39245, 97431, 115397, 117735, 162385, 346191, 487155, 576985, 1730955, 5423659, 16270977, 27118295, 81354885]

約数ペア:

[(1, 81354885), (3, 27118295), (5, 16270977), (15, 5423659), (47, 1730955), (141, 576985), (167, 487155), (235, 346191), (501, 162385), (691, 117735), (705, 115397), (835, 97431), (2073, 39245), (2505, 32477), (3455, 23547), (7849, 10365)]