123020075

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{17027}}^1$

素因数の和:17071

約数の個数: 18

約数和(自身を含む): 162055476

約数和(自身を除く): 39035401

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 7225, 17027, 85135, 289459, 425675, 1447295, 4920803, 7236475, 24604015, 123020075]

約数ペア:

[(1, 123020075), (5, 24604015), (17, 7236475), (25, 4920803), (85, 1447295), (289, 425675), (425, 289459), (1445, 85135), (7225, 17027)]