407037057

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1020143}}^1$

素因数の和:1020172

約数の個数: 16

約数和(自身を含む): 652892160

約数和(自身を除く): 245855103

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1020143, 3060429, 7141001, 19382717, 21423003, 58148151, 135679019, 407037057]

約数ペア:

[(1, 407037057), (3, 135679019), (7, 58148151), (19, 21423003), (21, 19382717), (57, 7141001), (133, 3060429), (399, 1020143)]