15664567581

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{499}}^1\times {\mathrm{20639}}^1$

素因数の和:21170

約数の個数: 36

約数和(自身を含む): 24551280000

約数和(自身を除く): 8886712419

約数列:

[1, 3, 9, 13, 39, 117, 169, 499, 507, 1497, 1521, 4491, 6487, 19461, 20639, 58383, 61917, 84331, 185751, 252993, 268307, 758979, 804921, 2414763, 3487991, 10298861, 10463973, 30896583, 31391919, 92689749, 133885193, 401655579, 1204966737, 1740507509, 5221522527, 15664567581]

約数ペア:

[(1, 15664567581), (3, 5221522527), (9, 1740507509), (13, 1204966737), (39, 401655579), (117, 133885193), (169, 92689749), (499, 31391919), (507, 30896583), (1497, 10463973), (1521, 10298861), (4491, 3487991), (6487, 2414763), (19461, 804921), (20639, 758979), (58383, 268307), (61917, 252993), (84331, 185751)]