1815667021

素因数分解:

$7^2\times {\mathrm{2801}}^1\times {\mathrm{13229}}^1$

素因数の和:16044

約数の個数: 12

約数和(自身を含む): 2113016220

約数和(自身を除く): 297349199

約数列:

[1, 7, 49, 2801, 13229, 19607, 92603, 137249, 648221, 37054429, 259381003, 1815667021]

約数ペア:

[(1, 1815667021), (7, 259381003), (49, 37054429), (2801, 648221), (13229, 137249), (19607, 92603)]