68361945

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 111888000

約数和(自身を除く): 43526055

約数列:

[1, 3, 5, 15, 73, 149, 219, 365, 419, 447, 745, 1095, 1257, 2095, 2235, 6285, 10877, 30587, 32631, 54385, 62431, 91761, 152935, 163155, 187293, 312155, 458805, 936465, 4557463, 13672389, 22787315, 68361945]

約数ペア:

[(1, 68361945), (3, 22787315), (5, 13672389), (15, 4557463), (73, 936465), (149, 458805), (219, 312155), (365, 187293), (419, 163155), (447, 152935), (745, 91761), (1095, 62431), (1257, 54385), (2095, 32631), (2235, 30587), (6285, 10877)]