13257195

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1061}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 26150688

約数和(自身を除く): 12893493

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 357, 595, 735, 833, 1061, 1785, 2499, 3183, 4165, 5305, 7427, 12495, 15915, 18037, 22281, 37135, 51989, 54111, 90185, 111405, 126259, 155967, 259945, 270555, 378777, 631295, 779835, 883813, 1893885, 2651439, 4419065, 13257195]

約数ペア:

[(1, 13257195), (3, 4419065), (5, 2651439), (7, 1893885), (15, 883813), (17, 779835), (21, 631295), (35, 378777), (49, 270555), (51, 259945), (85, 155967), (105, 126259), (119, 111405), (147, 90185), (245, 54111), (255, 51989), (357, 37135), (595, 22281), (735, 18037), (833, 15915), (1061, 12495), (1785, 7427), (2499, 5305), (3183, 4165)]