213204089

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1277}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 273839616

約数和(自身を除く): 60635527

約数列:

[1, 7, 17, 23, 61, 119, 161, 391, 427, 1037, 1277, 1403, 2737, 7259, 8939, 9821, 21709, 23851, 29371, 77897, 151963, 166957, 205597, 499307, 545279, 1324249, 1791631, 3495149, 9269743, 12541417, 30457727, 213204089]

約数ペア:

[(1, 213204089), (7, 30457727), (17, 12541417), (23, 9269743), (61, 3495149), (119, 1791631), (161, 1324249), (391, 545279), (427, 499307), (1037, 205597), (1277, 166957), (1403, 151963), (2737, 77897), (7259, 29371), (8939, 23851), (9821, 21709)]