201621753

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{315527}}^1$

素因数の和:315604

約数の個数: 12

約数和(自身を含む): 295334208

約数和(自身を除く): 93712455

約数列:

[1, 3, 9, 71, 213, 639, 315527, 946581, 2839743, 22402417, 67207251, 201621753]

約数ペア:

[(1, 201621753), (3, 67207251), (9, 22402417), (71, 2839743), (213, 946581), (639, 315527)]