28436901

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 42240000

約数和(自身を除く): 13803099

約数列:

[1, 3, 19, 23, 57, 69, 109, 199, 327, 437, 597, 1311, 2071, 2507, 3781, 4577, 6213, 7521, 11343, 13731, 21691, 47633, 65073, 86963, 142899, 260889, 412129, 498893, 1236387, 1496679, 9478967, 28436901]

約数ペア:

[(1, 28436901), (3, 9478967), (19, 1496679), (23, 1236387), (57, 498893), (69, 412129), (109, 260889), (199, 142899), (327, 86963), (437, 65073), (597, 47633), (1311, 21691), (2071, 13731), (2507, 11343), (3781, 7521), (4577, 6213)]