9981517

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 13547520

約数和(自身を除く): 3566003

約数列:

[1, 7, 13, 19, 23, 91, 133, 161, 247, 251, 299, 437, 1729, 1757, 2093, 3059, 3263, 4769, 5681, 5773, 22841, 33383, 39767, 40411, 61997, 75049, 109687, 433979, 525343, 767809, 1425931, 9981517]

約数ペア:

[(1, 9981517), (7, 1425931), (13, 767809), (19, 525343), (23, 433979), (91, 109687), (133, 75049), (161, 61997), (247, 40411), (251, 39767), (299, 33383), (437, 22841), (1729, 5773), (1757, 5681), (2093, 4769), (3059, 3263)]