86218905

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1181}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 143428608

約数和(自身を除く): 57209703

約数列:

[1, 3, 5, 15, 31, 93, 155, 157, 465, 471, 785, 1181, 2355, 3543, 4867, 5905, 14601, 17715, 24335, 36611, 73005, 109833, 183055, 185417, 549165, 556251, 927085, 2781255, 5747927, 17243781, 28739635, 86218905]

約数ペア:

[(1, 86218905), (3, 28739635), (5, 17243781), (15, 5747927), (31, 2781255), (93, 927085), (155, 556251), (157, 549165), (465, 185417), (471, 183055), (785, 109833), (1181, 73005), (2355, 36611), (3543, 24335), (4867, 17715), (5905, 14601)]