201519003

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 340623360

約数和(自身を除く): 139104357

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 131, 139, 217, 357, 393, 417, 527, 651, 917, 973, 1581, 2227, 2363, 2751, 2919, 3689, 4061, 4309, 6681, 7089, 11067, 12183, 12927, 15589, 16541, 18209, 28427, 30163, 46767, 49623, 54627, 69037, 73253, 85281, 90489, 127463, 207111, 219759, 309553, 382389, 483259, 512771, 564479, 928659, 1449777, 1538313, 1693437, 2166871, 3951353, 6500613, 9596143, 11854059, 28788429, 67173001, 201519003]

約数ペア:

[(1, 201519003), (3, 67173001), (7, 28788429), (17, 11854059), (21, 9596143), (31, 6500613), (51, 3951353), (93, 2166871), (119, 1693437), (131, 1538313), (139, 1449777), (217, 928659), (357, 564479), (393, 512771), (417, 483259), (527, 382389), (651, 309553), (917, 219759), (973, 207111), (1581, 127463), (2227, 90489), (2363, 85281), (2751, 73253), (2919, 69037), (3689, 54627), (4061, 49623), (4309, 46767), (6681, 30163), (7089, 28427), (11067, 18209), (12183, 16541), (12927, 15589)]