77212821

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2311}}^1$

素因数の和:2401

約数の個数: 32

約数和(自身を含む): 123701248

約数和(自身を除く): 46488427

約数列:

[1, 3, 7, 21, 37, 43, 111, 129, 259, 301, 777, 903, 1591, 2311, 4773, 6933, 11137, 16177, 33411, 48531, 85507, 99373, 256521, 298119, 598549, 695611, 1795647, 2086833, 3676801, 11030403, 25737607, 77212821]

約数ペア:

[(1, 77212821), (3, 25737607), (7, 11030403), (21, 3676801), (37, 2086833), (43, 1795647), (111, 695611), (129, 598549), (259, 298119), (301, 256521), (777, 99373), (903, 85507), (1591, 48531), (2311, 33411), (4773, 16177), (6933, 11137)]