214917213

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 359976960

約数和(自身を除く): 145059747

約数列:

[1, 3, 7, 17, 21, 51, 61, 71, 119, 139, 183, 213, 357, 417, 427, 497, 973, 1037, 1207, 1281, 1491, 2363, 2919, 3111, 3621, 4331, 7089, 7259, 8449, 8479, 9869, 12993, 16541, 21777, 25347, 25437, 29607, 30317, 49623, 59353, 69083, 73627, 90951, 144143, 167773, 178059, 207249, 220881, 432429, 503319, 515389, 602009, 1009001, 1174411, 1546167, 1806027, 3027003, 3523233, 4214063, 10234153, 12642189, 30702459, 71639071, 214917213]

約数ペア:

[(1, 214917213), (3, 71639071), (7, 30702459), (17, 12642189), (21, 10234153), (51, 4214063), (61, 3523233), (71, 3027003), (119, 1806027), (139, 1546167), (183, 1174411), (213, 1009001), (357, 602009), (417, 515389), (427, 503319), (497, 432429), (973, 220881), (1037, 207249), (1207, 178059), (1281, 167773), (1491, 144143), (2363, 90951), (2919, 73627), (3111, 69083), (3621, 59353), (4331, 49623), (7089, 30317), (7259, 29607), (8449, 25437), (8479, 25347), (9869, 21777), (12993, 16541)]