201672615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{2543}}^1$

素因数の和:2879

約数の個数: 32

約数和(自身を含む): 342890496

約数和(自身を除く): 141217881

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 311, 933, 1555, 2543, 4665, 5287, 7629, 12715, 15861, 26435, 38145, 43231, 79305, 129693, 216155, 648465, 790873, 2372619, 3954365, 11863095, 13444841, 40334523, 67224205, 201672615]

約数ペア:

[(1, 201672615), (3, 67224205), (5, 40334523), (15, 13444841), (17, 11863095), (51, 3954365), (85, 2372619), (255, 790873), (311, 648465), (933, 216155), (1555, 129693), (2543, 79305), (4665, 43231), (5287, 38145), (7629, 26435), (12715, 15861)]