211572021

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{19661}}^1$

素因数の和:19892

約数の個数: 16

約数和(自身を含む): 300120768

約数和(自身を除く): 88548747

約数列:

[1, 3, 17, 51, 211, 633, 3587, 10761, 19661, 58983, 334237, 1002711, 4148471, 12445413, 70524007, 211572021]

約数ペア:

[(1, 211572021), (3, 70524007), (17, 12445413), (51, 4148471), (211, 1002711), (633, 334237), (3587, 58983), (10761, 19661)]