69905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:88

約数の個数: 16

約数和(自身を含む): 96768

約数和(自身を除く): 26863

約数列:

[1, 5, 11, 31, 41, 55, 155, 205, 341, 451, 1271, 1705, 2255, 6355, 13981, 69905]

約数ペア:

[(1, 69905), (5, 13981), (11, 6355), (31, 2255), (41, 1705), (55, 1271), (155, 451), (205, 341)]