218365917

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{4523}}^1$

素因数の和:4574

約数の個数: 48

約数和(自身を含む): 385082880

約数和(自身を除く): 166716963

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 121, 133, 209, 231, 363, 399, 627, 847, 1463, 2299, 2541, 4389, 4523, 6897, 13569, 16093, 31661, 48279, 49753, 85937, 94983, 149259, 257811, 348271, 547283, 601559, 945307, 1044813, 1641849, 1804677, 2835921, 3830981, 6617149, 10398377, 11492943, 19851447, 31195131, 72788639, 218365917]

約数ペア:

[(1, 218365917), (3, 72788639), (7, 31195131), (11, 19851447), (19, 11492943), (21, 10398377), (33, 6617149), (57, 3830981), (77, 2835921), (121, 1804677), (133, 1641849), (209, 1044813), (231, 945307), (363, 601559), (399, 547283), (627, 348271), (847, 257811), (1463, 149259), (2299, 94983), (2541, 85937), (4389, 49753), (4523, 48279), (6897, 31661), (13569, 16093)]