8420139

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 16128000

約数和(自身を除く): 7707861

約数列:

[1, 3, 7, 9, 13, 21, 23, 27, 39, 63, 69, 91, 117, 149, 161, 189, 207, 273, 299, 351, 447, 483, 621, 819, 897, 1043, 1341, 1449, 1937, 2093, 2457, 2691, 3129, 3427, 4023, 4347, 5811, 6279, 8073, 9387, 10281, 13559, 17433, 18837, 23989, 28161, 30843, 40677, 44551, 52299, 56511, 71967, 92529, 122031, 133653, 215901, 311857, 366093, 400959, 647703, 935571, 1202877, 2806713, 8420139]

約数ペア:

[(1, 8420139), (3, 2806713), (7, 1202877), (9, 935571), (13, 647703), (21, 400959), (23, 366093), (27, 311857), (39, 215901), (63, 133653), (69, 122031), (91, 92529), (117, 71967), (149, 56511), (161, 52299), (189, 44551), (207, 40677), (273, 30843), (299, 28161), (351, 23989), (447, 18837), (483, 17433), (621, 13559), (819, 10281), (897, 9387), (1043, 8073), (1341, 6279), (1449, 5811), (1937, 4347), (2093, 4023), (2457, 3427), (2691, 3129)]