664841331

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{16831}}^1$

素因数の和:16877

約数の個数: 64

約数和(自身を含む): 1292697600

約数和(自身を除く): 627856269

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 33, 57, 63, 77, 99, 133, 171, 189, 209, 231, 297, 399, 513, 627, 693, 1197, 1463, 1881, 2079, 3591, 4389, 5643, 13167, 16831, 39501, 50493, 117817, 151479, 185141, 319789, 353451, 454437, 555423, 959367, 1060353, 1295987, 1666269, 2238523, 2878101, 3181059, 3517679, 3887961, 4998807, 6715569, 8634303, 10553037, 11663883, 20146707, 24623753, 31659111, 34991649, 60440121, 73871259, 94977333, 221613777, 664841331]

約数ペア:

[(1, 664841331), (3, 221613777), (7, 94977333), (9, 73871259), (11, 60440121), (19, 34991649), (21, 31659111), (27, 24623753), (33, 20146707), (57, 11663883), (63, 10553037), (77, 8634303), (99, 6715569), (133, 4998807), (171, 3887961), (189, 3517679), (209, 3181059), (231, 2878101), (297, 2238523), (399, 1666269), (513, 1295987), (627, 1060353), (693, 959367), (1197, 555423), (1463, 454437), (1881, 353451), (2079, 319789), (3591, 185141), (4389, 151479), (5643, 117817), (13167, 50493), (16831, 39501)]