131211075

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{37223}}^1$

素因数の和:37283

約数の個数: 24

約数和(自身を含む): 221557248

約数和(自身を除く): 90346173

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 37223, 111669, 186115, 558345, 930575, 1749481, 2791725, 5248443, 8747405, 26242215, 43737025, 131211075]

約数ペア:

[(1, 131211075), (3, 43737025), (5, 26242215), (15, 8747405), (25, 5248443), (47, 2791725), (75, 1749481), (141, 930575), (235, 558345), (705, 186115), (1175, 111669), (3525, 37223)]