13173215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 18605376

約数和(自身を除く): 5432161

約数列:

[1, 5, 11, 17, 55, 73, 85, 187, 193, 365, 803, 935, 965, 1241, 2123, 3281, 4015, 6205, 10615, 13651, 14089, 16405, 36091, 68255, 70445, 154979, 180455, 239513, 774895, 1197565, 2634643, 13173215]

約数ペア:

[(1, 13173215), (5, 2634643), (11, 1197565), (17, 774895), (55, 239513), (73, 180455), (85, 154979), (187, 70445), (193, 68255), (365, 36091), (803, 16405), (935, 14089), (965, 13651), (1241, 10615), (2123, 6205), (3281, 4015)]