66685899

素因数分解:

$3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{7919}}^1$

素因数の和:8330

約数の個数: 16

約数和(自身を含む): 101882880

約数和(自身を除く): 35196981

約数列:

[1, 3, 7, 21, 401, 1203, 2807, 7919, 8421, 23757, 55433, 166299, 3175519, 9526557, 22228633, 66685899]

約数ペア:

[(1, 66685899), (3, 22228633), (7, 9526557), (21, 3175519), (401, 166299), (1203, 55433), (2807, 23757), (7919, 8421)]