206836815

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{907}}^1$

素因数の和:1599

約数の個数: 32

約数和(自身を含む): 346231296

約数和(自身を除く): 139394481

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 661, 907, 1983, 2721, 3305, 4535, 9915, 13605, 15203, 20861, 45609, 62583, 76015, 104305, 228045, 312915, 599527, 1798581, 2997635, 8992905, 13789121, 41367363, 68945605, 206836815]

約数ペア:

[(1, 206836815), (3, 68945605), (5, 41367363), (15, 13789121), (23, 8992905), (69, 2997635), (115, 1798581), (345, 599527), (661, 312915), (907, 228045), (1983, 104305), (2721, 76015), (3305, 62583), (4535, 45609), (9915, 20861), (13605, 15203)]