87005037

素因数分解:

$3^1\times 7^4\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:335

約数の個数: 40

約数和(自身を含む): 138750336

約数和(自身を除く): 51745299

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 257, 329, 343, 771, 987, 1029, 1799, 2303, 2401, 5397, 6909, 7203, 12079, 12593, 16121, 36237, 37779, 48363, 84553, 88151, 112847, 253659, 264453, 338541, 591871, 617057, 1775613, 1851171, 4143097, 12429291, 29001679, 87005037]

約数ペア:

[(1, 87005037), (3, 29001679), (7, 12429291), (21, 4143097), (47, 1851171), (49, 1775613), (141, 617057), (147, 591871), (257, 338541), (329, 264453), (343, 253659), (771, 112847), (987, 88151), (1029, 84553), (1799, 48363), (2303, 37779), (2401, 36237), (5397, 16121), (6909, 12593), (7203, 12079)]