1871345

素因数分解:

$5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 2592768

約数和(自身を除く): 721423

約数列:

[1, 5, 7, 35, 127, 421, 635, 889, 2105, 2947, 4445, 14735, 53467, 267335, 374269, 1871345]

約数ペア:

[(1, 1871345), (5, 374269), (7, 267335), (35, 53467), (127, 14735), (421, 4445), (635, 2947), (889, 2105)]