131406945

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{2389}}^1$

素因数の和:2609

約数の個数: 32

約数和(自身を含む): 222556800

約数和(自身を除く): 91149855

約数列:

[1, 3, 5, 15, 19, 57, 95, 193, 285, 579, 965, 2389, 2895, 3667, 7167, 11001, 11945, 18335, 35835, 45391, 55005, 136173, 226955, 461077, 680865, 1383231, 2305385, 6916155, 8760463, 26281389, 43802315, 131406945]

約数ペア:

[(1, 131406945), (3, 43802315), (5, 26281389), (15, 8760463), (19, 6916155), (57, 2305385), (95, 1383231), (193, 680865), (285, 461077), (579, 226955), (965, 136173), (2389, 55005), (2895, 45391), (3667, 35835), (7167, 18335), (11001, 11945)]