15428787

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 23417856

約数和(自身を除く): 7989069

約数列:

[1, 3, 11, 33, 43, 83, 129, 131, 249, 393, 473, 913, 1419, 1441, 2739, 3569, 4323, 5633, 10707, 10873, 16899, 32619, 39259, 61963, 117777, 119603, 185889, 358809, 467539, 1402617, 5142929, 15428787]

約数ペア:

[(1, 15428787), (3, 5142929), (11, 1402617), (33, 467539), (43, 358809), (83, 185889), (129, 119603), (131, 117777), (249, 61963), (393, 39259), (473, 32619), (913, 16899), (1419, 10873), (1441, 10707), (2739, 5633), (3569, 4323)]