3931767

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 6773760

約数和(自身を除く): 2841993

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 293, 497, 639, 879, 1491, 1917, 2051, 2637, 4473, 6153, 7911, 13419, 18459, 20803, 55377, 62409, 145621, 187227, 436863, 561681, 1310589, 3931767]

約数ペア:

[(1, 3931767), (3, 1310589), (7, 561681), (9, 436863), (21, 187227), (27, 145621), (63, 62409), (71, 55377), (189, 20803), (213, 18459), (293, 13419), (497, 7911), (639, 6153), (879, 4473), (1491, 2637), (1917, 2051)]