890971815

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{3907}}^1$

素因数の和:4599

約数の個数: 32

約数和(自身を含む): 1490167296

約数和(自身を除く): 599195481

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 661, 1983, 3305, 3907, 9915, 11721, 15203, 19535, 45609, 58605, 76015, 89861, 228045, 269583, 449305, 1347915, 2582527, 7747581, 12912635, 38737905, 59398121, 178194363, 296990605, 890971815]

約数ペア:

[(1, 890971815), (3, 296990605), (5, 178194363), (15, 59398121), (23, 38737905), (69, 12912635), (115, 7747581), (345, 2582527), (661, 1347915), (1983, 449305), (3305, 269583), (3907, 228045), (9915, 89861), (11721, 76015), (15203, 58605), (19535, 45609)]