68668965

素因数分解:

$3^4\times 5^1\times {\mathrm{169553}}^1$

素因数の和:169570

約数の個数: 20

約数和(自身を含む): 123096204

約数和(自身を除く): 54427239

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 169553, 508659, 847765, 1525977, 2543295, 4577931, 7629885, 13733793, 22889655, 68668965]

約数ペア:

[(1, 68668965), (3, 22889655), (5, 13733793), (9, 7629885), (15, 4577931), (27, 2543295), (45, 1525977), (81, 847765), (135, 508659), (405, 169553)]