4200147

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 7234560

約数和(自身を除く): 3034413

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 313, 497, 639, 939, 1491, 1917, 2191, 2817, 4473, 6573, 8451, 13419, 19719, 22223, 59157, 66669, 155561, 200007, 466683, 600021, 1400049, 4200147]

約数ペア:

[(1, 4200147), (3, 1400049), (7, 600021), (9, 466683), (21, 200007), (27, 155561), (63, 66669), (71, 59157), (189, 22223), (213, 19719), (313, 13419), (497, 8451), (639, 6573), (939, 4473), (1491, 2817), (1917, 2191)]