17955777

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 28283904

約数和(自身を除く): 10328127

約数列:

[1, 3, 7, 21, 61, 107, 131, 183, 321, 393, 427, 749, 917, 1281, 2247, 2751, 6527, 7991, 14017, 19581, 23973, 42051, 45689, 55937, 98119, 137067, 167811, 294357, 855037, 2565111, 5985259, 17955777]

約数ペア:

[(1, 17955777), (3, 5985259), (7, 2565111), (21, 855037), (61, 294357), (107, 167811), (131, 137067), (183, 98119), (321, 55937), (393, 45689), (427, 42051), (749, 23973), (917, 19581), (1281, 14017), (2247, 7991), (2751, 6527)]