331325787

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 520934400

約数和(自身を除く): 189608613

約数列:

[1, 3, 13, 23, 37, 39, 67, 69, 111, 149, 201, 299, 447, 481, 851, 871, 897, 1443, 1541, 1937, 2479, 2553, 2613, 3427, 4623, 5513, 5811, 7437, 9983, 10281, 11063, 16539, 20033, 29949, 32227, 33189, 44551, 57017, 60099, 71669, 96681, 126799, 129779, 133653, 171051, 215007, 229609, 369371, 380397, 389337, 688827, 741221, 1108113, 1648387, 2223663, 2984917, 4801823, 4945161, 8495533, 8954751, 14405469, 25486599, 110441929, 331325787]

約数ペア:

[(1, 331325787), (3, 110441929), (13, 25486599), (23, 14405469), (37, 8954751), (39, 8495533), (67, 4945161), (69, 4801823), (111, 2984917), (149, 2223663), (201, 1648387), (299, 1108113), (447, 741221), (481, 688827), (851, 389337), (871, 380397), (897, 369371), (1443, 229609), (1541, 215007), (1937, 171051), (2479, 133653), (2553, 129779), (2613, 126799), (3427, 96681), (4623, 71669), (5513, 60099), (5811, 57017), (7437, 44551), (9983, 33189), (10281, 32227), (11063, 29949), (16539, 20033)]