51395409

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 84913920

約数和(自身を除く): 33518511

約数列:

[1, 3, 9, 13, 23, 39, 69, 71, 117, 207, 213, 269, 299, 639, 807, 897, 923, 1633, 2421, 2691, 2769, 3497, 4899, 6187, 8307, 10491, 14697, 18561, 19099, 21229, 31473, 55683, 57297, 63687, 80431, 171891, 191061, 241293, 248287, 439277, 723879, 744861, 1317831, 2234583, 3953493, 5710601, 17131803, 51395409]

約数ペア:

[(1, 51395409), (3, 17131803), (9, 5710601), (13, 3953493), (23, 2234583), (39, 1317831), (69, 744861), (71, 723879), (117, 439277), (207, 248287), (213, 241293), (269, 191061), (299, 171891), (639, 80431), (807, 63687), (897, 57297), (923, 55683), (1633, 31473), (2421, 21229), (2691, 19099), (2769, 18561), (3497, 14697), (4899, 10491), (6187, 8307)]