81405618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{27299}}^1$

素因数の和:27382

約数の個数: 32

約数和(自身を含む): 188697600

約数和(自身を除く): 107291982

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 27299, 54598, 81897, 163794, 191093, 382186, 573279, 1146558, 1938229, 3876458, 5814687, 11629374, 13567603, 27135206, 40702809, 81405618]

約数ペア:

[(1, 81405618), (2, 40702809), (3, 27135206), (6, 13567603), (7, 11629374), (14, 5814687), (21, 3876458), (42, 1938229), (71, 1146558), (142, 573279), (213, 382186), (426, 191093), (497, 163794), (994, 81897), (1491, 54598), (2982, 27299)]