16989939

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 9621261

約数列:

[1, 3, 9, 23, 27, 69, 109, 207, 251, 327, 621, 753, 981, 2259, 2507, 2943, 5773, 6777, 7521, 17319, 22563, 27359, 51957, 67689, 82077, 155871, 246231, 629257, 738693, 1887771, 5663313, 16989939]

約数ペア:

[(1, 16989939), (3, 5663313), (9, 1887771), (23, 738693), (27, 629257), (69, 246231), (109, 155871), (207, 82077), (251, 67689), (327, 51957), (621, 27359), (753, 22563), (981, 17319), (2259, 7521), (2507, 6777), (2943, 5773)]