209218845

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{40903}}^1$

素因数の和:40953

約数の個数: 32

約数和(自身を含む): 376971264

約数和(自身を除く): 167752419

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 155, 165, 341, 465, 1023, 1705, 5115, 40903, 122709, 204515, 449933, 613545, 1267993, 1349799, 2249665, 3803979, 6339965, 6748995, 13947923, 19019895, 41843769, 69739615, 209218845]

約数ペア:

[(1, 209218845), (3, 69739615), (5, 41843769), (11, 19019895), (15, 13947923), (31, 6748995), (33, 6339965), (55, 3803979), (93, 2249665), (155, 1349799), (165, 1267993), (341, 613545), (465, 449933), (1023, 204515), (1705, 122709), (5115, 40903)]