2165163

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 3983616

約数和(自身を除く): 1818453

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 103, 143, 147, 231, 273, 309, 429, 539, 637, 721, 1001, 1133, 1339, 1617, 1911, 2163, 3003, 3399, 4017, 5047, 7007, 7931, 9373, 14729, 15141, 21021, 23793, 28119, 44187, 55517, 65611, 103103, 166551, 196833, 309309, 721721, 2165163]

約数ペア:

[(1, 2165163), (3, 721721), (7, 309309), (11, 196833), (13, 166551), (21, 103103), (33, 65611), (39, 55517), (49, 44187), (77, 28119), (91, 23793), (103, 21021), (143, 15141), (147, 14729), (231, 9373), (273, 7931), (309, 7007), (429, 5047), (539, 4017), (637, 3399), (721, 3003), (1001, 2163), (1133, 1911), (1339, 1617)]