31928127

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1553}}^1$

素因数の和:1663

約数の個数: 32

約数和(自身を含む): 53706240

約数和(自身を除く): 21778113

約数列:

[1, 3, 7, 11, 21, 33, 77, 89, 231, 267, 623, 979, 1553, 1869, 2937, 4659, 6853, 10871, 17083, 20559, 32613, 51249, 119581, 138217, 358743, 414651, 967519, 1520387, 2902557, 4561161, 10642709, 31928127]

約数ペア:

[(1, 31928127), (3, 10642709), (7, 4561161), (11, 2902557), (21, 1520387), (33, 967519), (77, 414651), (89, 358743), (231, 138217), (267, 119581), (623, 51249), (979, 32613), (1553, 20559), (1869, 17083), (2937, 10871), (4659, 6853)]