87021075

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{827}}^1$

素因数の和:924

約数の個数: 48

約数和(自身を含む): 152775936

約数和(自身を除く): 65754861

約数列:

[1, 3, 5, 15, 23, 25, 61, 69, 75, 115, 183, 305, 345, 575, 827, 915, 1403, 1525, 1725, 2481, 4135, 4209, 4575, 7015, 12405, 19021, 20675, 21045, 35075, 50447, 57063, 62025, 95105, 105225, 151341, 252235, 285315, 475525, 756705, 1160281, 1261175, 1426575, 3480843, 3783525, 5801405, 17404215, 29007025, 87021075]

約数ペア:

[(1, 87021075), (3, 29007025), (5, 17404215), (15, 5801405), (23, 3783525), (25, 3480843), (61, 1426575), (69, 1261175), (75, 1160281), (115, 756705), (183, 475525), (305, 285315), (345, 252235), (575, 151341), (827, 105225), (915, 95105), (1403, 62025), (1525, 57063), (1725, 50447), (2481, 35075), (4135, 21045), (4209, 20675), (4575, 19021), (7015, 12405)]