208404015

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{3331}}^1$

素因数の和:3479

約数の個数: 32

約数和(自身を含む): 344822016

約数和(自身を除く): 136418001

約数列:

[1, 3, 5, 15, 43, 97, 129, 215, 291, 485, 645, 1455, 3331, 4171, 9993, 12513, 16655, 20855, 49965, 62565, 143233, 323107, 429699, 716165, 969321, 1615535, 2148495, 4846605, 13893601, 41680803, 69468005, 208404015]

約数ペア:

[(1, 208404015), (3, 69468005), (5, 41680803), (15, 13893601), (43, 4846605), (97, 2148495), (129, 1615535), (215, 969321), (291, 716165), (485, 429699), (645, 323107), (1455, 143233), (3331, 62565), (4171, 49965), (9993, 20855), (12513, 16655)]