28570809

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 41287680

約数和(自身を除く): 12716871

約数列:

[1, 3, 31, 41, 59, 93, 123, 127, 177, 381, 1271, 1829, 2419, 3813, 3937, 5207, 5487, 7257, 7493, 11811, 15621, 22479, 74989, 161417, 224967, 232283, 307213, 484251, 696849, 921639, 9523603, 28570809]

約数ペア:

[(1, 28570809), (3, 9523603), (31, 921639), (41, 696849), (59, 484251), (93, 307213), (123, 232283), (127, 224967), (177, 161417), (381, 74989), (1271, 22479), (1829, 15621), (2419, 11811), (3813, 7493), (3937, 7257), (5207, 5487)]