210147777

素因数分解:

$3^4\times 7^1\times {\mathrm{370631}}^1$

素因数の和:370650

約数の個数: 20

約数和(自身を含む): 358771776

約数和(自身を除く): 148623999

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 370631, 1111893, 2594417, 3335679, 7783251, 10007037, 23349753, 30021111, 70049259, 210147777]

約数ペア:

[(1, 210147777), (3, 70049259), (7, 30021111), (9, 23349753), (21, 10007037), (27, 7783251), (63, 3335679), (81, 2594417), (189, 1111893), (567, 370631)]