68684721

素因数分解:

$3^1\times 7^3\times {\mathrm{66749}}^1$

素因数の和:66773

約数の個数: 16

約数和(自身を含む): 106800000

約数和(自身を除く): 38115279

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 66749, 200247, 467243, 1401729, 3270701, 9812103, 22894907, 68684721]

約数ペア:

[(1, 68684721), (3, 22894907), (7, 9812103), (21, 3270701), (49, 1401729), (147, 467243), (343, 200247), (1029, 66749)]