87001089

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{487}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 136421376

約数和(自身を除く): 49420287

約数列:

[1, 3, 7, 21, 47, 141, 181, 329, 487, 543, 987, 1267, 1461, 3409, 3801, 8507, 10227, 22889, 25521, 59549, 68667, 88147, 160223, 178647, 264441, 480669, 617029, 1851087, 4142909, 12428727, 29000363, 87001089]

約数ペア:

[(1, 87001089), (3, 29000363), (7, 12428727), (21, 4142909), (47, 1851087), (141, 617029), (181, 480669), (329, 264441), (487, 178647), (543, 160223), (987, 88147), (1267, 68667), (1461, 59549), (3409, 25521), (3801, 22889), (8507, 10227)]