16401705

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 27371520

約数和(自身を除く): 10969815

約数列:

[1, 3, 5, 15, 43, 59, 129, 177, 215, 295, 431, 645, 885, 1293, 2155, 2537, 6465, 7611, 12685, 18533, 25429, 38055, 55599, 76287, 92665, 127145, 277995, 381435, 1093447, 3280341, 5467235, 16401705]

約数ペア:

[(1, 16401705), (3, 5467235), (5, 3280341), (15, 1093447), (43, 381435), (59, 277995), (129, 127145), (177, 92665), (215, 76287), (295, 55599), (431, 38055), (645, 25429), (885, 18533), (1293, 12685), (2155, 7611), (2537, 6465)]