220154883

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^3\times {\mathrm{71}}^1$

素因数の和:216

約数の個数: 32

約数和(自身を含む): 328204800

約数和(自身を除く): 108049917

約数列:

[1, 3, 13, 39, 43, 71, 129, 213, 559, 923, 1677, 1849, 2769, 3053, 5547, 9159, 24037, 39689, 72111, 79507, 119067, 131279, 238521, 393837, 1033591, 1706627, 3100773, 5119881, 5644997, 16934991, 73384961, 220154883]

約数ペア:

[(1, 220154883), (3, 73384961), (13, 16934991), (39, 5644997), (43, 5119881), (71, 3100773), (129, 1706627), (213, 1033591), (559, 393837), (923, 238521), (1677, 131279), (1849, 119067), (2769, 79507), (3053, 72111), (5547, 39689), (9159, 24037)]