205123611

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{2837}}^1$

素因数の和:3171

約数の個数: 32

約数和(自身を含む): 342194688

約数和(自身を除く): 137071077

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 313, 939, 2191, 2837, 3443, 6573, 8511, 10329, 19859, 24101, 31207, 59577, 72303, 93621, 218449, 655347, 887981, 2663943, 6215867, 9767791, 18647601, 29303373, 68374537, 205123611]

約数ペア:

[(1, 205123611), (3, 68374537), (7, 29303373), (11, 18647601), (21, 9767791), (33, 6215867), (77, 2663943), (231, 887981), (313, 655347), (939, 218449), (2191, 93621), (2837, 72303), (3443, 59577), (6573, 31207), (8511, 24101), (10329, 19859)]