67639221

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{30427}}^1$

素因数の和:30465

約数の個数: 24

約数和(自身を含む): 110757920

約数和(自身を除く): 43118699

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 30427, 91281, 273843, 395551, 578113, 1186653, 1734339, 3559959, 5203017, 7515469, 22546407, 67639221]

約数ペア:

[(1, 67639221), (3, 22546407), (9, 7515469), (13, 5203017), (19, 3559959), (39, 1734339), (57, 1186653), (117, 578113), (171, 395551), (247, 273843), (741, 91281), (2223, 30427)]