15393287

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 20697600

約数和(自身を除く): 5304313

約数列:

[1, 7, 13, 19, 29, 91, 133, 203, 247, 307, 377, 551, 1729, 2149, 2639, 3857, 3991, 5833, 7163, 8903, 27937, 40831, 50141, 62321, 75829, 115739, 169157, 530803, 810173, 1184099, 2199041, 15393287]

約数ペア:

[(1, 15393287), (7, 2199041), (13, 1184099), (19, 810173), (29, 530803), (91, 169157), (133, 115739), (203, 75829), (247, 62321), (307, 50141), (377, 40831), (551, 27937), (1729, 8903), (2149, 7163), (2639, 5833), (3857, 3991)]