31527155

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:140

約数の個数: 36

約数和(自身を含む): 43998528

約数和(自身を除く): 12471373

約数列:

[1, 5, 11, 31, 41, 55, 121, 155, 205, 341, 451, 605, 1271, 1681, 1705, 2255, 3751, 4961, 6355, 8405, 13981, 18491, 18755, 24805, 52111, 69905, 92455, 153791, 203401, 260555, 573221, 768955, 1017005, 2866105, 6305431, 31527155]

約数ペア:

[(1, 31527155), (5, 6305431), (11, 2866105), (31, 1017005), (41, 768955), (55, 573221), (121, 260555), (155, 203401), (205, 153791), (341, 92455), (451, 69905), (605, 52111), (1271, 24805), (1681, 18755), (1705, 18491), (2255, 13981), (3751, 8405), (4961, 6355)]