7871445

素因数分解:

$3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 14112000

約数和(自身を除く): 6240555

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 199, 293, 597, 879, 995, 1465, 1791, 2637, 2985, 4395, 5373, 7911, 8955, 13185, 26865, 39555, 58307, 174921, 291535, 524763, 874605, 1574289, 2623815, 7871445]

約数ペア:

[(1, 7871445), (3, 2623815), (5, 1574289), (9, 874605), (15, 524763), (27, 291535), (45, 174921), (135, 58307), (199, 39555), (293, 26865), (597, 13185), (879, 8955), (995, 7911), (1465, 5373), (1791, 4395), (2637, 2985)]