7136787

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19991}}^1$

素因数の和:20018

約数の個数: 16

約数和(自身を含む): 11515392

約数和(自身を除く): 4378605

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 19991, 59973, 139937, 339847, 419811, 1019541, 2378929, 7136787]

約数ペア:

[(1, 7136787), (3, 2378929), (7, 1019541), (17, 419811), (21, 339847), (51, 139937), (119, 59973), (357, 19991)]