16711989

素因数分解:

$3^1\times 7^3\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:282

約数の個数: 32

約数和(自身を含む): 26400000

約数和(自身を除く): 9688011

約数列:

[1, 3, 7, 21, 49, 109, 147, 149, 327, 343, 447, 763, 1029, 1043, 2289, 3129, 5341, 7301, 16023, 16241, 21903, 37387, 48723, 51107, 112161, 113687, 153321, 341061, 795809, 2387427, 5570663, 16711989]

約数ペア:

[(1, 16711989), (3, 5570663), (7, 2387427), (21, 795809), (49, 341061), (109, 153321), (147, 113687), (149, 112161), (327, 51107), (343, 48723), (447, 37387), (763, 21903), (1029, 16241), (1043, 16023), (2289, 7301), (3129, 5341)]