66948987

素因数分解:

$3^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{3217}}^1$

素因数の和:4218

約数の個数: 16

約数和(自身を含む): 102152192

約数和(自身を除く): 35203205

約数列:

[1, 3, 7, 21, 991, 2973, 3217, 6937, 9651, 20811, 22519, 67557, 3188047, 9564141, 22316329, 66948987]

約数ペア:

[(1, 66948987), (3, 22316329), (7, 9564141), (21, 3188047), (991, 67557), (2973, 22519), (3217, 20811), (6937, 9651)]