12157047

素因数分解:

$3^5\times 7^2\times {\mathrm{1021}}^1$

素因数の和:1050

約数の個数: 36

約数和(自身を含む): 21204456

約数和(自身を除く): 9047409

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 1021, 1323, 1701, 3063, 3969, 7147, 9189, 11907, 21441, 27567, 50029, 64323, 82701, 150087, 192969, 248103, 450261, 578907, 1350783, 1736721, 4052349, 12157047]

約数ペア:

[(1, 12157047), (3, 4052349), (7, 1736721), (9, 1350783), (21, 578907), (27, 450261), (49, 248103), (63, 192969), (81, 150087), (147, 82701), (189, 64323), (243, 50029), (441, 27567), (567, 21441), (1021, 11907), (1323, 9189), (1701, 7147), (3063, 3969)]