208025271

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{23371}}^1$

素因数の和:23443

約数の個数: 24

約数和(自身を含む): 320850816

約数和(自身を除く): 112825545

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2967, 8901, 23371, 70113, 210339, 537533, 1004953, 1612599, 3014859, 4837797, 9044577, 23113919, 69341757, 208025271]

約数ペア:

[(1, 208025271), (3, 69341757), (9, 23113919), (23, 9044577), (43, 4837797), (69, 3014859), (129, 1612599), (207, 1004953), (387, 537533), (989, 210339), (2967, 70113), (8901, 23371)]