67729221

素因数分解:

$3^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1409}}^1$

素因数の和:1538

約数の個数: 36

約数和(自身を含む): 114929100

約数和(自身を除く): 47199879

約数列:

[1, 3, 7, 9, 21, 49, 63, 109, 147, 327, 441, 763, 981, 1409, 2289, 4227, 5341, 6867, 9863, 12681, 16023, 29589, 48069, 69041, 88767, 153581, 207123, 460743, 621369, 1075067, 1382229, 3225201, 7525469, 9675603, 22576407, 67729221]

約数ペア:

[(1, 67729221), (3, 22576407), (7, 9675603), (9, 7525469), (21, 3225201), (49, 1382229), (63, 1075067), (109, 621369), (147, 460743), (327, 207123), (441, 153581), (763, 88767), (981, 69041), (1409, 48069), (2289, 29589), (4227, 16023), (5341, 12681), (6867, 9863)]