7539987

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 12579840

約数和(自身を除く): 5039853

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 389, 497, 923, 1167, 1491, 2723, 2769, 5057, 6461, 8169, 15171, 19383, 27619, 35399, 82857, 106197, 193333, 359047, 579999, 1077141, 2513329, 7539987]

約数ペア:

[(1, 7539987), (3, 2513329), (7, 1077141), (13, 579999), (21, 359047), (39, 193333), (71, 106197), (91, 82857), (213, 35399), (273, 27619), (389, 19383), (497, 15171), (923, 8169), (1167, 6461), (1491, 5057), (2723, 2769)]