42790209

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2609}}^1$

素因数の和:2701

約数の個数: 32

約数和(自身を含む): 72161280

約数和(自身を除く): 29371071

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1491, 2343, 2609, 5467, 7827, 16401, 18263, 28699, 54789, 86097, 185239, 200893, 555717, 602679, 1296673, 2037629, 3890019, 6112887, 14263403, 42790209]

約数ペア:

[(1, 42790209), (3, 14263403), (7, 6112887), (11, 3890019), (21, 2037629), (33, 1296673), (71, 602679), (77, 555717), (213, 200893), (231, 185239), (497, 86097), (781, 54789), (1491, 28699), (2343, 18263), (2609, 16401), (5467, 7827)]