15507219

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1387

約数の個数: 32

約数和(自身を含む): 26059264

約数和(自身を除く): 10552045

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1321, 1677, 3913, 3963, 9247, 11739, 17173, 27741, 51519, 56803, 120211, 170409, 360633, 397621, 738439, 1192863, 2215317, 5169073, 15507219]

約数ペア:

[(1, 15507219), (3, 5169073), (7, 2215317), (13, 1192863), (21, 738439), (39, 397621), (43, 360633), (91, 170409), (129, 120211), (273, 56803), (301, 51519), (559, 27741), (903, 17173), (1321, 11739), (1677, 9247), (3913, 3963)]