28086093

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 48761856

約数和(自身を除く): 20675763

約数列:

[1, 3, 7, 9, 21, 31, 63, 73, 93, 197, 217, 219, 279, 511, 591, 651, 657, 1379, 1533, 1773, 1953, 2263, 4137, 4599, 6107, 6789, 12411, 14381, 15841, 18321, 20367, 42749, 43143, 47523, 54963, 100667, 128247, 129429, 142569, 302001, 384741, 445811, 906003, 1337433, 3120677, 4012299, 9362031, 28086093]

約数ペア:

[(1, 28086093), (3, 9362031), (7, 4012299), (9, 3120677), (21, 1337433), (31, 906003), (63, 445811), (73, 384741), (93, 302001), (197, 142569), (217, 129429), (219, 128247), (279, 100667), (511, 54963), (591, 47523), (651, 43143), (657, 42749), (1379, 20367), (1533, 18321), (1773, 15841), (1953, 14381), (2263, 12411), (4137, 6789), (4599, 6107)]