245718117

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{28351}}^1$

素因数の和:28470

約数の個数: 20

約数和(自身を含む): 370503936

約数和(自身を除く): 124785819

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 8667, 28351, 85053, 255159, 765477, 2296431, 3033557, 9100671, 27302013, 81906039, 245718117]

約数ペア:

[(1, 245718117), (3, 81906039), (9, 27302013), (27, 9100671), (81, 3033557), (107, 2296431), (321, 765477), (963, 255159), (2889, 85053), (8667, 28351)]