42147297

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{11071}}^1$

素因数の和:11130

約数の個数: 20

約数和(自身を含む): 64306176

約数和(自身を除く): 22158879

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 11071, 33213, 99639, 298917, 520337, 896751, 1561011, 4683033, 14049099, 42147297]

約数ペア:

[(1, 42147297), (3, 14049099), (9, 4683033), (27, 1561011), (47, 896751), (81, 520337), (141, 298917), (423, 99639), (1269, 33213), (3807, 11071)]