2011851261

素因数分解:

$3^2\times 7^2\times {\mathrm{4562021}}^1$

素因数の和:4562041

約数の個数: 18

約数和(自身を含む): 3380458302

約数和(自身を除く): 1368607041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4562021, 13686063, 31934147, 41058189, 95802441, 223539029, 287407323, 670617087, 2011851261]

約数ペア:

[(1, 2011851261), (3, 670617087), (7, 287407323), (9, 223539029), (21, 95802441), (49, 41058189), (63, 31934147), (147, 13686063), (441, 4562021)]