17973879

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 33177600

約数和(自身を除く): 15203721

約数列:

[1, 3, 7, 11, 17, 21, 23, 33, 51, 69, 77, 119, 161, 187, 199, 231, 253, 357, 391, 483, 561, 597, 759, 1173, 1309, 1393, 1771, 2189, 2737, 3383, 3927, 4179, 4301, 4577, 5313, 6567, 8211, 10149, 12903, 13731, 15323, 23681, 30107, 32039, 37213, 45969, 50347, 71043, 77809, 90321, 96117, 111639, 151041, 233427, 260491, 352429, 544663, 781473, 855899, 1057287, 1633989, 2567697, 5991293, 17973879]

約数ペア:

[(1, 17973879), (3, 5991293), (7, 2567697), (11, 1633989), (17, 1057287), (21, 855899), (23, 781473), (33, 544663), (51, 352429), (69, 260491), (77, 233427), (119, 151041), (161, 111639), (187, 96117), (199, 90321), (231, 77809), (253, 71043), (357, 50347), (391, 45969), (483, 37213), (561, 32039), (597, 30107), (759, 23681), (1173, 15323), (1309, 13731), (1393, 12903), (1771, 10149), (2189, 8211), (2737, 6567), (3383, 5313), (3927, 4577), (4179, 4301)]