123753721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{953}}^1\times {\mathrm{1427}}^1$

素因数の和:2400

約数の個数: 16

約数和(自身を含む): 152578944

約数和(自身を除く): 28825223

約数列:

[1, 7, 13, 91, 953, 1427, 6671, 9989, 12389, 18551, 86723, 129857, 1359931, 9519517, 17679103, 123753721]

約数ペア:

[(1, 123753721), (7, 17679103), (13, 9519517), (91, 1359931), (953, 129857), (1427, 86723), (6671, 18551), (9989, 12389)]