28134099

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 49832640

約数和(自身を除く): 21698541

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 109, 119, 153, 241, 327, 357, 723, 763, 981, 1071, 1687, 1853, 2169, 2289, 4097, 5061, 5559, 6867, 12291, 12971, 15183, 16677, 26269, 28679, 36873, 38913, 78807, 86037, 116739, 183883, 236421, 258111, 446573, 551649, 1339719, 1654947, 3126011, 4019157, 9378033, 28134099]

約数ペア:

[(1, 28134099), (3, 9378033), (7, 4019157), (9, 3126011), (17, 1654947), (21, 1339719), (51, 551649), (63, 446573), (109, 258111), (119, 236421), (153, 183883), (241, 116739), (327, 86037), (357, 78807), (723, 38913), (763, 36873), (981, 28679), (1071, 26269), (1687, 16677), (1853, 15183), (2169, 12971), (2289, 12291), (4097, 6867), (5061, 5559)]